Re: Linux 5.4.148

Greg Kroah-Hartman
2021-09-22T11:14:49Z

diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt
index 1c5d2281efc9..771d9e7ae082 100644
--- a/Documentation/admin-guide/devices.txt
+++ b/Documentation/admin-guide/devices.txt
@@ -3002,10 +3002,10 @@
65 = /dev/infiniband/issm1 Second InfiniBand IsSM device
...
127 = /dev/infiniband/issm63 63rd InfiniBand IsSM device
- 128 = /dev/infiniband/uverbs0 First InfiniBand verbs device
- 129 = /dev/infiniband/uverbs1 Second InfiniBand verbs device
+ 192 = /dev/infiniband/uverbs0 First InfiniBand verbs device
+ 193 = /dev/infiniband/uverbs1 Second InfiniBand verbs device
...
- 159 = /dev/infiniband/uverbs31 31st InfiniBand verbs device
+ 223 = /dev/infiniband/uverbs31 31st InfiniBand verbs device

232 char Biometric Devices
0 = /dev/biometric/sensor0/fingerprint first fingerprint sensor on first device
diff --git a/Documentation/devicetree/bindings/arm/tegra.yaml b/Documentation/devicetree/bindings/arm/tegra.yaml
index 60b38eb5c61a..56e1945911f1 100644
--- a/Documentation/devicetree/bindings/arm/tegra.yaml
+++ b/Documentation/devicetree/bindings/arm/tegra.yaml
@@ -49,7 +49,7 @@ properties:
- const: toradex,apalis_t30
- const: nvidia,tegra30
- items:
- - const: toradex,apalis_t30-eval-v1.1
+ - const: toradex,apalis_t30-v1.1-eval
- const: toradex,apalis_t30-eval
- const: toradex,apalis_t30-v1.1
- const: toradex,apalis_t30
diff --git a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
index 44919d48d241..c459f169a904 100644
--- a/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/gpmc-nand.txt
@@ -122,7 +122,7 @@ on various other factors also like;
so the device should have enough free bytes available its OOB/Spare
area to accommodate ECC for entire page. In general following expression
helps in determining if given device can accommodate ECC syndrome:
- "2 + (PAGESIZE / 512) * ECC_BYTES" >= OOBSIZE"
+ "2 + (PAGESIZE / 512) * ECC_BYTES" <= OOBSIZE"
where
OOBSIZE number of bytes in OOB/spare area
PAGESIZE number of bytes in main-area of device page
diff --git a/Makefile b/Makefile
index 98227dae3494..b84706c6d624 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 147
+SUBLEVEL = 148
EXTRAVERSION =
NAME = Kleptomaniac Octopus

diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index a2fbea3ee07c..102418ac5ff4 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -1123,7 +1123,7 @@ void clear_user_page(void *to, unsigned long u_vaddr, struct page *page)
clear_page(to);
clear_bit(PG_dc_clean, &page->flags);
}
-
+EXPORT_SYMBOL(clear_user_page);

/**********************************************************************
* Explicit Cache flush request from user space via syscall
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index f0b3a9281d69..fb6cb24bde5c 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -90,6 +90,8 @@ $(addprefix $(obj)/,$(libfdt_objs) atags_to_fdt.o): \
$(addprefix $(obj)/,$(libfdt_hdrs))

ifeq ($(CONFIG_ARM_ATAG_DTB_COMPAT),y)
+CFLAGS_REMOVE_atags_to_fdt.o += -Wframe-larger-than=${CONFIG_FRAME_WARN}
+CFLAGS_atags_to_fdt.o += -Wframe-larger-than=1280
OBJS += $(libfdt_objs) atags_to_fdt.o
endif

diff --git a/arch/arm/boot/dts/imx53-ppd.dts b/arch/arm/boot/dts/imx53-ppd.dts
index 5ff9a179c83c..c80d1700e094 100644
--- a/arch/arm/boot/dts/imx53-ppd.dts
+++ b/arch/arm/boot/dts/imx53-ppd.dts
@@ -70,6 +70,12 @@
clock-frequency = <11289600>;
};

+ achc_24M: achc-clock {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ };
+
sgtlsound: sound {
compatible = "fsl,imx53-cpuvo-sgtl5000",
"fsl,imx-audio-sgtl5000";
@@ -287,16 +293,13 @@
&gpio4 12 GPIO_ACTIVE_LOW>;
status = "okay";

- spidev0: spi@0 {
- compatible = "ge,achc";
- reg = <0>;
- spi-max-frequency = <1000000>;
- };
-
- spidev1: spi@1 {
- compatible = "ge,achc";
- reg = <1>;
- spi-max-frequency = <1000000>;
+ spidev0: spi@1 {
+ compatible = "ge,achc", "nxp,kinetis-k20";
+ reg = <1>, <0>;
+ vdd-supply = <&reg_3v3>;
+ vdda-supply = <&reg_3v3>;
+ clocks = <&achc_24M>;
+ reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
};

gpioxra0: gpio@2 {
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index 8b79b4112ee1..2b075e287610 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -1261,9 +1261,9 @@
<&mmcc DSI1_BYTE_CLK>,
<&mmcc DSI_PIXEL_CLK>,
<&mmcc DSI1_ESC_CLK>;
- clock-names = "iface_clk", "bus_clk", "core_mmss_clk",
- "src_clk", "byte_clk", "pixel_clk",
- "core_clk";
+ clock-names = "iface", "bus", "core_mmss",
+ "src", "byte", "pixel",
+ "core";

assigned-clocks = <&mmcc DSI1_BYTE_SRC>,
<&mmcc DSI1_ESC_SRC>,
diff --git a/arch/arm/boot/dts/tegra20-tamonten.dtsi b/arch/arm/boot/dts/tegra20-tamonten.dtsi
index 20137fc578b1..394a6b4dc69d 100644
--- a/arch/arm/boot/dts/tegra20-tamonten.dtsi
+++ b/arch/arm/boot/dts/tegra20-tamonten.dtsi
@@ -185,8 +185,9 @@
nvidia,pins = "ata", "atb", "atc", "atd", "ate",
"cdev1", "cdev2", "dap1", "dtb", "gma",
"gmb", "gmc", "gmd", "gme", "gpu7",
- "gpv", "i2cp", "pta", "rm", "slxa",
- "slxk", "spia", "spib", "uac";
+ "gpv", "i2cp", "irrx", "irtx", "pta",
+ "rm", "slxa", "slxk", "spia", "spib",
+ "uac";
nvidia,pull = <TEGRA_PIN_PULL_NONE>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
};
@@ -211,7 +212,7 @@
conf_ddc {
nvidia,pins = "ddc", "dta", "dtd", "kbca",
"kbcb", "kbcc", "kbcd", "kbce", "kbcf",
- "sdc";
+ "sdc", "uad", "uca";
nvidia,pull = <TEGRA_PIN_PULL_UP>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
};
@@ -221,10 +222,9 @@
"lvp0", "owc", "sdb";
nvidia,tristate = <TEGRA_PIN_ENABLE>;
};
- conf_irrx {
- nvidia,pins = "irrx", "irtx", "sdd", "spic",
- "spie", "spih", "uaa", "uab", "uad",
- "uca", "ucb";
+ conf_sdd {
+ nvidia,pins = "sdd", "spic", "spie", "spih",
+ "uaa", "uab", "ucb";
nvidia,pull = <TEGRA_PIN_PULL_UP>;
nvidia,tristate = <TEGRA_PIN_ENABLE>;
};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a-frwy.dts b/arch/arm64/boot/dts/freescale/fsl-ls1046a-frwy.dts
index 3595be0f2527..2d6c73d7d397 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a-frwy.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-frwy.dts
@@ -83,15 +83,9 @@
};

eeprom@52 {
- compatible = "atmel,24c512";
+ compatible = "onnn,cat24c04", "atmel,24c04";
reg = <0x52>;
};
-
- eeprom@53 {
- compatible = "atmel,24c512";
- reg = <0x53>;
- };
-
};
};
};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts
index 274339759114..8858c1e92f23 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a-rdb.dts
@@ -58,14 +58,9 @@
};

eeprom@52 {
- compatible = "atmel,24c512";
+ compatible = "onnn,cat24c05", "atmel,24c04";
reg = <0x52>;
};
-
- eeprom@53 {
- compatible = "atmel,24c512";
- reg = <0x53>;
- };
};

&i2c3 {
diff --git a/arch/arm64/boot/dts/nvidia/tegra132.dtsi b/arch/arm64/boot/dts/nvidia/tegra132.dtsi
index 631a7f77c386..0b3eb8c0b8df 100644
--- a/arch/arm64/boot/dts/nvidia/tegra132.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra132.dtsi
@@ -1082,13 +1082,13 @@

cpu@0 {
device_type = "cpu";
- compatible = "nvidia,denver";
+ compatible = "nvidia,tegra132-denver";
reg = <0>;
};

cpu@1 {
device_type = "cpu";
- compatible = "nvidia,denver";
+ compatible = "nvidia,tegra132-denver";
reg = <1>;
};
};
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 0821754f0fd6..90adff8aa9ba 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -1434,7 +1434,7 @@
};

pcie_ep@14160000 {
- compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep";
+ compatible = "nvidia,tegra194-pcie-ep";
power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX4A>;
reg = <0x00 0x14160000 0x0 0x00020000 /* appl registers (128K) */
0x00 0x36040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
@@ -1466,7 +1466,7 @@
};

pcie_ep@14180000 {
- compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep";
+ compatible = "nvidia,tegra194-pcie-ep";
power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8B>;
reg = <0x00 0x14180000 0x0 0x00020000 /* appl registers (128K) */
0x00 0x38040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
@@ -1498,7 +1498,7 @@
};

pcie_ep@141a0000 {
- compatible = "nvidia,tegra194-pcie-ep", "snps,dw-pcie-ep";
+ compatible = "nvidia,tegra194-pcie-ep";
power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8A>;
reg = <0x00 0x141a0000 0x0 0x00020000 /* appl registers (128K) */
0x00 0x3a040000 0x0 0x00040000 /* iATU_DMA reg space (256K) */
diff --git a/arch/arm64/boot/dts/qcom/ipq8074-hk01.dts b/arch/arm64/boot/dts/qcom/ipq8074-hk01.dts
index 70be3f95209b..830d9f2c1e5f 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074-hk01.dts
+++ b/arch/arm64/boot/dts/qcom/ipq8074-hk01.dts
@@ -20,7 +20,7 @@
stdout-path = "serial0";
};

- memory {
+ memory@40000000 {
device_type = "memory";
reg = <0x0 0x40000000 0x0 0x20000000>;
};
diff --git a/arch/arm64/include/asm/kernel-pgtable.h b/arch/arm64/include/asm/kernel-pgtable.h
index 817efd95d539..9679b74a2081 100644
--- a/arch/arm64/include/asm/kernel-pgtable.h
+++ b/arch/arm64/include/asm/kernel-pgtable.h
@@ -65,8 +65,8 @@
#define EARLY_KASLR (0)
#endif

-#define EARLY_ENTRIES(vstart, vend, shift) (((vend) >> (shift)) \
- - ((vstart) >> (shift)) + 1 + EARLY_KASLR)
+#define EARLY_ENTRIES(vstart, vend, shift) \
+ ((((vend) - 1) >> (shift)) - ((vstart) >> (shift)) + 1 + EARLY_KASLR)

#define EARLY_PGDS(vstart, vend) (EARLY_ENTRIES(vstart, vend, PGDIR_SHIFT))

diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 04b982a2799e..e62c9cbf99f4 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -498,7 +498,7 @@ size_t sve_state_size(struct task_struct const *task)
void sve_alloc(struct task_struct *task)
{
if (task->thread.sve_state) {
- memset(task->thread.sve_state, 0, sve_state_size(current));
+ memset(task->thread.sve_state, 0, sve_state_size(task));
return;
}

diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index a2e0b3754943..2f784d3b4b39 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -194,7 +194,7 @@ ENDPROC(preserve_boot_args)
* to be composed of multiple pages. (This effectively scales the end index).
*
* vstart: virtual address of start of range
- * vend: virtual address of end of range
+ * vend: virtual address of end of range - we map [vstart, vend]
* shift: shift used to transform virtual address into index
* ptrs: number of entries in page table
* istart: index in table corresponding to vstart
@@ -231,17 +231,18 @@ ENDPROC(preserve_boot_args)
*
* tbl: location of page table
* rtbl: address to be used for first level page table entry (typically tbl + PAGE_SIZE)
- * vstart: start address to map
- * vend: end address to map - we map [vstart, vend]
+ * vstart: virtual address of start of range
+ * vend: virtual address of end of range - we map [vstart, vend - 1]
* flags: flags to use to map last level entries
* phys: physical address corresponding to vstart - physical memory is contiguous
* pgds: the number of pgd entries
*
* Temporaries: istart, iend, tmp, count, sv - these need to be different registers
- * Preserves: vstart, vend, flags
- * Corrupts: tbl, rtbl, istart, iend, tmp, count, sv
+ * Preserves: vstart, flags
+ * Corrupts: tbl, rtbl, vend, istart, iend, tmp, count, sv
*/
.macro map_memory, tbl, rtbl, vstart, vend, flags, phys, pgds, istart, iend, tmp, count, sv
+ sub \vend, \vend, #1
add \rtbl, \tbl, #PAGE_SIZE
mov \sv, \rtbl
mov \count, #0
diff --git a/arch/m68k/Kconfig.bus b/arch/m68k/Kconfig.bus
index 9d0a3a23d50e..355c51309ed8 100644
--- a/arch/m68k/Kconfig.bus
+++ b/arch/m68k/Kconfig.bus
@@ -63,7 +63,7 @@ source "drivers/zorro/Kconfig"

endif

-if !MMU
+if COLDFIRE

config ISA_DMA_API
def_bool !M5272
diff --git a/arch/mips/mti-malta/malta-dtshim.c b/arch/mips/mti-malta/malta-dtshim.c
index 98a063093b69..0be28adff557 100644
--- a/arch/mips/mti-malta/malta-dtshim.c
+++ b/arch/mips/mti-malta/malta-dtshim.c
@@ -22,7 +22,7 @@
#define ROCIT_CONFIG_GEN1_MEMMAP_SHIFT 8
#define ROCIT_CONFIG_GEN1_MEMMAP_MASK (0xf << 8)

-static unsigned char fdt_buf[16 << 10] __initdata;
+static unsigned char fdt_buf[16 << 10] __initdata __aligned(8);

/* determined physical memory size, not overridden by command line args */
extern unsigned long physical_memsize;
diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S
index c6481cfc5220..6b27cf4a0d78 100644
--- a/arch/openrisc/kernel/entry.S
+++ b/arch/openrisc/kernel/entry.S
@@ -547,6 +547,7 @@ EXCEPTION_ENTRY(_external_irq_handler)
l.bnf 1f // ext irq enabled, all ok.
l.nop

+#ifdef CONFIG_PRINTK
l.addi r1,r1,-0x8
l.movhi r3,hi(42f)
l.ori r3,r3,lo(42f)
@@ -560,6 +561,7 @@ EXCEPTION_ENTRY(_external_irq_handler)
.string "\n\rESR interrupt bug: in _external_irq_handler (ESR %x)\n\r"
.align 4
.previous
+#endif

l.ori r4,r4,SPR_SR_IEE // fix the bug
// l.sw PT_SR(r1),r4
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 02895a8f2c55..92223f9ff05c 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -238,6 +238,12 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs,
#endif

usp = (regs->gr[30] & ~(0x01UL));
+#ifdef CONFIG_64BIT
+ if (is_compat_task()) {
+ /* The gcc alloca implementation leaves garbage in the upper 32 bits of sp */
+ usp = (compat_uint_t)usp;
+ }
+#endif
/*FIXME: frame_size parameter is unused, remove it. */
frame = get_sigframe(&ksig->ka, usp, sizeof(*frame));

diff --git a/arch/powerpc/configs/mpc885_ads_defconfig b/arch/powerpc/configs/mpc885_ads_defconfig
index 285d506c5a76..2f5e06309f09 100644
--- a/arch/powerpc/configs/mpc885_ads_defconfig
+++ b/arch/powerpc/configs/mpc885_ads_defconfig
@@ -39,6 +39,7 @@ CONFIG_MTD_CFI_GEOMETRY=y
# CONFIG_MTD_CFI_I2 is not set
CONFIG_MTD_CFI_I4=y
CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_PHYSMAP=y
CONFIG_MTD_PHYSMAP_OF=y
# CONFIG_BLK_DEV is not set
CONFIG_NETDEVICES=y
diff --git a/arch/powerpc/include/asm/pmc.h b/arch/powerpc/include/asm/pmc.h
index c6bbe9778d3c..3c09109e708e 100644
--- a/arch/powerpc/include/asm/pmc.h
+++ b/arch/powerpc/include/asm/pmc.h
@@ -34,6 +34,13 @@ static inline void ppc_set_pmu_inuse(int inuse)
#endif
}

+#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
+static inline int ppc_get_pmu_inuse(void)
+{
+ return get_paca()->pmcregs_in_use;
+}
+#endif
+
extern void power4_enable_pmcs(void);

#else /* CONFIG_PPC64 */
diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c
index b13c6213b0d9..890f95151fb4 100644
--- a/arch/powerpc/kernel/stacktrace.c
+++ b/arch/powerpc/kernel/stacktrace.c
@@ -8,6 +8,7 @@
* Copyright 2018 Nick Piggin, Michael Ellerman, IBM Corp.
*/

+#include <linux/delay.h>
#include <linux/export.h>
#include <linux/kallsyms.h>
#include <linux/module.h>
diff --git a/arch/powerpc/kvm/book3s_64_vio_hv.c b/arch/powerpc/kvm/book3s_64_vio_hv.c
index ab6eeb8e753e..35fd67b4ceb4 100644
--- a/arch/powerpc/kvm/book3s_64_vio_hv.c
+++ b/arch/powerpc/kvm/book3s_64_vio_hv.c
@@ -177,10 +177,13 @@ static void kvmppc_rm_tce_put(struct kvmppc_spapr_tce_table *stt,
idx -= stt->offset;
page = stt->pages[idx / TCES_PER_PAGE];
/*
- * page must not be NULL in real mode,
- * kvmppc_rm_ioba_validate() must have taken care of this.
+ * kvmppc_rm_ioba_validate() allows pages not be allocated if TCE is
+ * being cleared, otherwise it returns H_TOO_HARD and we skip this.
*/
- WARN_ON_ONCE_RM(!page);
+ if (!page) {
+ WARN_ON_ONCE_RM(tce != 0);
+ return;
+ }
tbl = kvmppc_page_address(page);

tbl[idx % TCES_PER_PAGE] = tce;
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index bba358f13471..6c99ccc3bfcb 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -58,6 +58,7 @@
#include <asm/kvm_book3s.h>
#include <asm/mmu_context.h>
#include <asm/lppaca.h>
+#include <asm/pmc.h>
#include <asm/processor.h>
#include <asm/cputhreads.h>
#include <asm/page.h>
@@ -3559,6 +3560,18 @@ int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit,
cpu_has_feature(CPU_FTR_P9_TM_HV_ASSIST))
kvmppc_restore_tm_hv(vcpu, vcpu->arch.shregs.msr, true);

+#ifdef CONFIG_PPC_PSERIES
+ if (kvmhv_on_pseries()) {
+ barrier();
+ if (vcpu->arch.vpa.pinned_addr) {
+ struct lppaca *lp = vcpu->arch.vpa.pinned_addr;
+ get_lppaca()->pmcregs_in_use = lp->pmcregs_in_use;
+ } else {
+ get_lppaca()->pmcregs_in_use = 1;
+ }
+ barrier();
+ }
+#endif
kvmhv_load_guest_pmu(vcpu);

msr_check_and_set(MSR_FP | MSR_VEC | MSR_VSX);
@@ -3693,6 +3706,13 @@ int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit,
save_pmu |= nesting_enabled(vcpu->kvm);

kvmhv_save_guest_pmu(vcpu, save_pmu);
+#ifdef CONFIG_PPC_PSERIES
+ if (kvmhv_on_pseries()) {
+ barrier();
+ get_lppaca()->pmcregs_in_use = ppc_get_pmu_inuse();
+ barrier();
+ }
+#endif

vc->entry_exit_map = 0x101;
vc->in_guest = 0;
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index c6fbbd29bd87..feaf6ca2e76c 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -3137,7 +3137,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_P9_TM_HV_ASSIST)
/* The following code handles the fake_suspend = 1 case */
mflr r0
std r0, PPC_LR_STKOFF(r1)
- stdu r1, -PPC_MIN_STKFRM(r1)
+ stdu r1, -TM_FRAME_SIZE(r1)

/* Turn on TM. */
mfmsr r8
@@ -3152,10 +3152,42 @@ BEGIN_FTR_SECTION
END_FTR_SECTION_IFSET(CPU_FTR_P9_TM_XER_SO_BUG)
nop

+ /*
+ * It's possible that treclaim. may modify registers, if we have lost
+ * track of fake-suspend state in the guest due to it using rfscv.
+ * Save and restore registers in case this occurs.
+ */
+ mfspr r3, SPRN_DSCR
+ mfspr r4, SPRN_XER
+ mfspr r5, SPRN_AMR
+ /* SPRN_TAR would need to be saved here if the kernel ever used it */
+ mfcr r12
+ SAVE_NVGPRS(r1)
+ SAVE_GPR(2, r1)
+ SAVE_GPR(3, r1)
+ SAVE_GPR(4, r1)
+ SAVE_GPR(5, r1)
+ stw r12, 8(r1)
+ std r1, HSTATE_HOST_R1(r13)
+
/* We have to treclaim here because that's the only way to do S->N */
li r3, TM_CAUSE_KVM_RESCHED
TRECLAIM(R3)

+ GET_PACA(r13)
+ ld r1, HSTATE_HOST_R1(r13)
+ REST_GPR(2, r1)
+ REST_GPR(3, r1)
+ REST_GPR(4, r1)
+ REST_GPR(5, r1)
+ lwz r12, 8(r1)
+ REST_NVGPRS(r1)
+ mtspr SPRN_DSCR, r3
+ mtspr SPRN_XER, r4
+ mtspr SPRN_AMR, r5
+ mtcr r12
+ HMT_MEDIUM
+
/*
* We were in fake suspend, so we are not going to save the
* register state as the guest checkpointed state (since
@@ -3183,7 +3215,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_P9_TM_XER_SO_BUG)
std r5, VCPU_TFHAR(r9)
std r6, VCPU_TFIAR(r9)

- addi r1, r1, PPC_MIN_STKFRM
+ addi r1, r1, TM_FRAME_SIZE
ld r0, PPC_LR_STKOFF(r1)
mtlr r0
blr
diff --git a/arch/powerpc/perf/hv-gpci.c b/arch/powerpc/perf/hv-gpci.c
index 6884d16ec19b..732cfc53e260 100644
--- a/arch/powerpc/perf/hv-gpci.c
+++ b/arch/powerpc/perf/hv-gpci.c
@@ -164,7 +164,7 @@ static unsigned long single_gpci_request(u32 req, u32 starting_index,
*/
count = 0;
for (i = offset; i < offset + length; i++)
- count |= arg->bytes[i] << (i - offset);
+ count |= (u64)(arg->bytes[i]) << ((length - 1 - (i - offset)) * 8);

*value = count;
out:
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 1932088686a6..e6a5007f017d 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -39,6 +39,7 @@
#define MACHINE_FLAG_NX BIT(15)
#define MACHINE_FLAG_GS BIT(16)
#define MACHINE_FLAG_SCC BIT(17)
+#define MACHINE_FLAG_PCI_MIO BIT(18)

#define LPP_MAGIC BIT(31)
#define LPP_PID_MASK _AC(0xffffffff, UL)
@@ -106,6 +107,7 @@ extern unsigned long __swsusp_reset_dma;
#define MACHINE_HAS_NX (S390_lowcore.machine_flags & MACHINE_FLAG_NX)
#define MACHINE_HAS_GS (S390_lowcore.machine_flags & MACHINE_FLAG_GS)
#define MACHINE_HAS_SCC (S390_lowcore.machine_flags & MACHINE_FLAG_SCC)
+#define MACHINE_HAS_PCI_MIO (S390_lowcore.machine_flags & MACHINE_FLAG_PCI_MIO)

/*
* Console mode. Override with conmode=
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 2531776cf6cf..eb89cb0aa60b 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -252,6 +252,10 @@ static __init void detect_machine_facilities(void)
clock_comparator_max = -1ULL >> 1;
__ctl_set_bit(0, 53);
}
+ if (IS_ENABLED(CONFIG_PCI) && test_facility(153)) {
+ S390_lowcore.machine_flags |= MACHINE_FLAG_PCI_MIO;
+ /* the control bit is set during PCI initialization */
+ }
}

static inline void save_vector_registers(void)
diff --git a/arch/s390/kernel/jump_label.c b/arch/s390/kernel/jump_label.c
index ab584e8e3527..9156653b56f6 100644
--- a/arch/s390/kernel/jump_label.c
+++ b/arch/s390/kernel/jump_label.c
@@ -36,7 +36,7 @@ static void jump_label_bug(struct jump_entry *entry, struct insn *expected,
unsigned char *ipe = (unsigned char *)expected;
unsigned char *ipn = (unsigned char *)new;

- pr_emerg("Jump label code mismatch at %pS [%p]\n", ipc, ipc);
+ pr_emerg("Jump label code mismatch at %pS [%px]\n", ipc, ipc);
pr_emerg("Found: %6ph\n", ipc);
pr_emerg("Expected: %6ph\n", ipe);
pr_emerg("New: %6ph\n", ipn);
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index c1d96e588152..5521f593cd20 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -168,9 +168,9 @@ static void pv_init(void)
return;

/* make sure bounce buffers are shared */
+ swiotlb_force = SWIOTLB_FORCE;
swiotlb_init(1);
swiotlb_update_mem_attributes();
- swiotlb_force = SWIOTLB_FORCE;
}

void __init mem_init(void)
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 3e6612d8b921..2d2996627629 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -569,10 +569,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
EMIT4(0xb9080000, dst_reg, src_reg);
break;
case BPF_ALU | BPF_ADD | BPF_K: /* dst = (u32) dst + (u32) imm */
- if (!imm)
- break;
- /* alfi %dst,imm */
- EMIT6_IMM(0xc20b0000, dst_reg, imm);
+ if (imm != 0) {
+ /* alfi %dst,imm */
+ EMIT6_IMM(0xc20b0000, dst_reg, imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_ADD | BPF_K: /* dst = dst + imm */
@@ -594,17 +594,22 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
EMIT4(0xb9090000, dst_reg, src_reg);
break;
case BPF_ALU | BPF_SUB | BPF_K: /* dst = (u32) dst - (u32) imm */
- if (!imm)
- break;
- /* alfi %dst,-imm */
- EMIT6_IMM(0xc20b0000, dst_reg, -imm);
+ if (imm != 0) {
+ /* alfi %dst,-imm */
+ EMIT6_IMM(0xc20b0000, dst_reg, -imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_SUB | BPF_K: /* dst = dst - imm */
if (!imm)
break;
- /* agfi %dst,-imm */
- EMIT6_IMM(0xc2080000, dst_reg, -imm);
+ if (imm == -0x80000000) {
+ /* algfi %dst,0x80000000 */
+ EMIT6_IMM(0xc20a0000, dst_reg, 0x80000000);
+ } else {
+ /* agfi %dst,-imm */
+ EMIT6_IMM(0xc2080000, dst_reg, -imm);
+ }
break;
/*
* BPF_MUL
@@ -619,10 +624,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
EMIT4(0xb90c0000, dst_reg, src_reg);
break;
case BPF_ALU | BPF_MUL | BPF_K: /* dst = (u32) dst * (u32) imm */
- if (imm == 1)
- break;
- /* msfi %r5,imm */
- EMIT6_IMM(0xc2010000, dst_reg, imm);
+ if (imm != 1) {
+ /* msfi %r5,imm */
+ EMIT6_IMM(0xc2010000, dst_reg, imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_MUL | BPF_K: /* dst = dst * imm */
@@ -675,6 +680,8 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
if (BPF_OP(insn->code) == BPF_MOD)
/* lhgi %dst,0 */
EMIT4_IMM(0xa7090000, dst_reg, 0);
+ else
+ EMIT_ZERO(dst_reg);
break;
}
/* lhi %w0,0 */
@@ -769,10 +776,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
EMIT4(0xb9820000, dst_reg, src_reg);
break;
case BPF_ALU | BPF_XOR | BPF_K: /* dst = (u32) dst ^ (u32) imm */
- if (!imm)
- break;
- /* xilf %dst,imm */
- EMIT6_IMM(0xc0070000, dst_reg, imm);
+ if (imm != 0) {
+ /* xilf %dst,imm */
+ EMIT6_IMM(0xc0070000, dst_reg, imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_XOR | BPF_K: /* dst = dst ^ imm */
@@ -793,10 +800,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
EMIT6_DISP_LH(0xeb000000, 0x000d, dst_reg, dst_reg, src_reg, 0);
break;
case BPF_ALU | BPF_LSH | BPF_K: /* dst = (u32) dst << (u32) imm */
- if (imm == 0)
- break;
- /* sll %dst,imm(%r0) */
- EMIT4_DISP(0x89000000, dst_reg, REG_0, imm);
+ if (imm != 0) {
+ /* sll %dst,imm(%r0) */
+ EMIT4_DISP(0x89000000, dst_reg, REG_0, imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_LSH | BPF_K: /* dst = dst << imm */
@@ -818,10 +825,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
EMIT6_DISP_LH(0xeb000000, 0x000c, dst_reg, dst_reg, src_reg, 0);
break;
case BPF_ALU | BPF_RSH | BPF_K: /* dst = (u32) dst >> (u32) imm */
- if (imm == 0)
- break;
- /* srl %dst,imm(%r0) */
- EMIT4_DISP(0x88000000, dst_reg, REG_0, imm);
+ if (imm != 0) {
+ /* srl %dst,imm(%r0) */
+ EMIT4_DISP(0x88000000, dst_reg, REG_0, imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_RSH | BPF_K: /* dst = dst >> imm */
@@ -843,10 +850,10 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
EMIT6_DISP_LH(0xeb000000, 0x000a, dst_reg, dst_reg, src_reg, 0);
break;
case BPF_ALU | BPF_ARSH | BPF_K: /* ((s32) dst >> imm */
- if (imm == 0)
- break;
- /* sra %dst,imm(%r0) */
- EMIT4_DISP(0x8a000000, dst_reg, REG_0, imm);
+ if (imm != 0) {
+ /* sra %dst,imm(%r0) */
+ EMIT4_DISP(0x8a000000, dst_reg, REG_0, imm);
+ }
EMIT_ZERO(dst_reg);
break;
case BPF_ALU64 | BPF_ARSH | BPF_K: /* ((s64) dst) >>= imm */
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 6105b1b6e49b..b8ddacf1efe1 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -854,7 +854,6 @@ static void zpci_mem_exit(void)
}

static unsigned int s390_pci_probe __initdata = 1;
-static unsigned int s390_pci_no_mio __initdata;
unsigned int s390_pci_force_floating __initdata;
static unsigned int s390_pci_initialized;

@@ -865,7 +864,7 @@ char * __init pcibios_setup(char *str)
return NULL;
}
if (!strcmp(str, "nomio")) {
- s390_pci_no_mio = 1;
+ S390_lowcore.machine_flags &= ~MACHINE_FLAG_PCI_MIO;
return NULL;
}
if (!strcmp(str, "force_floating")) {
@@ -890,7 +889,7 @@ static int __init pci_base_init(void)
if (!test_facility(69) || !test_facility(71))
return 0;

- if (test_facility(153) && !s390_pci_no_mio) {
+ if (MACHINE_HAS_PCI_MIO) {
static_branch_enable(&have_mio);
ctl_set_bit(2, 5);
}
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index b8541d77452c..a37ccafe065b 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -1355,18 +1355,18 @@ int kern_addr_valid(unsigned long addr)
return 0;

p4d = p4d_offset(pgd, addr);
- if (p4d_none(*p4d))
+ if (!p4d_present(*p4d))
return 0;

pud = pud_offset(p4d, addr);
- if (pud_none(*pud))
+ if (!pud_present(*pud))
return 0;

if (pud_large(*pud))
return pfn_valid(pud_pfn(*pud));

pmd = pmd_offset(pud, addr);
- if (pmd_none(*pmd))
+ if (!pmd_present(*pmd))
return 0;

if (pmd_large(*pmd))
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index 3e66feff524a..b99074ca5e68 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -1183,6 +1183,11 @@ static void __init xen_dom0_set_legacy_features(void)
x86_platform.legacy.rtc = 1;
}

+static void __init xen_domu_set_legacy_features(void)
+{
+ x86_platform.legacy.rtc = 0;
+}
+
/* First C function to be called on Xen boot */
asmlinkage __visible void __init xen_start_kernel(void)
{
@@ -1353,6 +1358,8 @@ asmlinkage __visible void __init xen_start_kernel(void)
add_preferred_console("xenboot", 0, NULL);
if (pci_xen)
x86_init.pci.arch_init = pci_xen_init;
+ x86_platform.set_legacy_features =
+ xen_domu_set_legacy_features;
} else {
const struct dom0_vga_console_info *info =
(void *)((char *)xen_start_info +
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 12fcb3858303..8b1e40ec58f6 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -622,8 +622,8 @@ int xen_alloc_p2m_entry(unsigned long pfn)
}

/* Expanded the p2m? */
- if (pfn > xen_p2m_last_pfn) {
- xen_p2m_last_pfn = pfn;
+ if (pfn >= xen_p2m_last_pfn) {
+ xen_p2m_last_pfn = ALIGN(pfn + 1, P2M_PER_PAGE);
HYPERVISOR_shared_info->arch.max_pfn = xen_p2m_last_pfn;
}

diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index af81a62faba6..e7faea3d73d3 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -168,9 +168,13 @@ static const struct tty_operations serial_ops = {

int __init rs_init(void)
{
- tty_port_init(&serial_port);
+ int ret;

serial_driver = alloc_tty_driver(SERIAL_MAX_NUM_LINES);
+ if (!serial_driver)
+ return -ENOMEM;
+
+ tty_port_init(&serial_port);

pr_info("%s %s\n", serial_name, serial_version);

@@ -190,8 +194,15 @@ int __init rs_init(void)
tty_set_operations(serial_driver, &serial_ops);
tty_port_link_device(&serial_port, serial_driver, 0);

- if (tty_register_driver(serial_driver))
- panic("Couldn't register serial driver\n");
+ ret = tty_register_driver(serial_driver);
+ if (ret) {
+ pr_err("Couldn't register serial driver\n");
+ tty_driver_kref_put(serial_driver);
+ tty_port_destroy(&serial_port);
+
+ return ret;
+ }
+
return 0;
}

diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 136232a01f71..8dee243e639f 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -2523,6 +2523,15 @@ bfq_setup_merge(struct bfq_queue *bfqq, struct bfq_queue *new_bfqq)
* are likely to increase the throughput.
*/
bfqq->new_bfqq = new_bfqq;
+ /*
+ * The above assignment schedules the following redirections:
+ * each time some I/O for bfqq arrives, the process that
+ * generated that I/O is disassociated from bfqq and
+ * associated with new_bfqq. Here we increases new_bfqq->ref
+ * in advance, adding the number of processes that are
+ * expected to be associated with new_bfqq as they happen to
+ * issue I/O.
+ */
new_bfqq->ref += process_refs;
return new_bfqq;
}
@@ -2582,6 +2591,10 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq,
{
struct bfq_queue *in_service_bfqq, *new_bfqq;

+ /* if a merge has already been setup, then proceed with that first */
+ if (bfqq->new_bfqq)
+ return bfqq->new_bfqq;
+
/*
* Do not perform queue merging if the device is non
* rotational and performs internal queueing. In fact, such a
@@ -2636,9 +2649,6 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq,
if (bfq_too_late_for_merging(bfqq))
return NULL;

- if (bfqq->new_bfqq)
- return bfqq->new_bfqq;
-
if (!io_struct || unlikely(bfqq == &bfqd->oom_bfqq))
return NULL;

@@ -5004,7 +5014,7 @@ bfq_set_next_ioprio_data(struct bfq_queue *bfqq, struct bfq_io_cq *bic)
if (bfqq->new_ioprio >= IOPRIO_BE_NR) {
pr_crit("bfq_set_next_ioprio_data: new_ioprio %d\n",
bfqq->new_ioprio);
- bfqq->new_ioprio = IOPRIO_BE_NR;
+ bfqq->new_ioprio = IOPRIO_BE_NR - 1;
}

bfqq->entity.new_weight = bfq_ioprio_to_weight(bfqq->new_ioprio);
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index b17c094cb977..a85d0a06a6ff 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -316,9 +316,6 @@ int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode,
if (!blk_queue_is_zoned(q))
return -ENOTTY;

- if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
-
if (copy_from_user(&rep, argp, sizeof(struct blk_zone_report)))
return -EFAULT;

@@ -374,9 +371,6 @@ int blkdev_reset_zones_ioctl(struct block_device *bdev, fmode_t mode,
if (!blk_queue_is_zoned(q))
return -ENOTTY;

- if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
-
if (!(mode & FMODE_WRITE))
return -EBADF;

diff --git a/block/bsg.c b/block/bsg.c
index 0d012efef527..c8b9714e6923 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -371,10 +371,13 @@ static long bsg_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case SG_GET_RESERVED_SIZE:
case SG_SET_RESERVED_SIZE:
case SG_EMULATED_HOST:
- case SCSI_IOCTL_SEND_COMMAND:
return scsi_cmd_ioctl(bd->queue, NULL, file->f_mode, cmd, uarg);
case SG_IO:
return bsg_sg_io(bd->queue, file->f_mode, uarg);
+ case SCSI_IOCTL_SEND_COMMAND:
+ pr_warn_ratelimited("%s: calling unsupported SCSI_IOCTL_SEND_COMMAND\n",
+ current->comm);
+ return -EINVAL;
default:
return -ENOTTY;
}
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 7788af0ca109..5c354c7aff94 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4556,6 +4556,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung SSD 850*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Samsung SSD 860*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Samsung SSD 870*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "FCCT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },

diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c
index 9dcef6ac643b..982fe9112532 100644
--- a/drivers/ata/sata_dwc_460ex.c
+++ b/drivers/ata/sata_dwc_460ex.c
@@ -1249,24 +1249,20 @@ static int sata_dwc_probe(struct platform_device *ofdev)
irq = irq_of_parse_and_map(np, 0);
if (irq == NO_IRQ) {
dev_err(&ofdev->dev, "no SATA DMA irq\n");
- err = -ENODEV;
- goto error_out;
+ return -ENODEV;
}

#ifdef CONFIG_SATA_DWC_OLD_DMA
if (!of_find_property(np, "dmas", NULL)) {
err = sata_dwc_dma_init_old(ofdev, hsdev);
if (err)
- goto error_out;
+ return err;
}
#endif

hsdev->phy = devm_phy_optional_get(hsdev->dev, "sata-phy");
- if (IS_ERR(hsdev->phy)) {
- err = PTR_ERR(hsdev->phy);
- hsdev->phy = NULL;
- goto error_out;
- }
+ if (IS_ERR(hsdev->phy))
+ return PTR_ERR(hsdev->phy);

err = phy_init(hsdev->phy);
if (err)
diff --git a/drivers/base/power/trace.c b/drivers/base/power/trace.c
index 977d27bd1a22..9a9dec657c16 100644
--- a/drivers/base/power/trace.c
+++ b/drivers/base/power/trace.c
@@ -13,6 +13,7 @@
#include <linux/export.h>
#include <linux/rtc.h>
#include <linux/suspend.h>
+#include <linux/init.h>

#include <linux/mc146818rtc.h>

@@ -165,6 +166,9 @@ void generate_pm_trace(const void *tracedata, unsigned int user)
const char *file = *(const char **)(tracedata + 2);
unsigned int user_hash_value, file_hash_value;

+ if (!x86_platform.legacy.rtc)
+ return;
+
user_hash_value = user % USERHASH;
file_hash_value = hash_string(lineno, file, FILEHASH);
set_magic_time(user_hash_value, file_hash_value, dev_hash_value);
@@ -267,6 +271,9 @@ static struct notifier_block pm_trace_nb = {

static int early_resume_init(void)
{
+ if (!x86_platform.legacy.rtc)
+ return 0;
+
hash_value_early_read = read_magic_time();
register_pm_notifier(&pm_trace_nb);
return 0;
@@ -277,6 +284,9 @@ static int late_resume_init(void)
unsigned int val = hash_value_early_read;
unsigned int user, file, dev;

+ if (!x86_platform.legacy.rtc)
+ return 0;
+
user = val % USERHASH;
val = val / USERHASH;
file = val % FILEHASH;
diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c
index 44a46dcc0518..d7fe1303f79d 100644
--- a/drivers/clk/at91/clk-generated.c
+++ b/drivers/clk/at91/clk-generated.c
@@ -18,8 +18,6 @@

#define GENERATED_MAX_DIV 255

-#define GCK_INDEX_DT_AUDIO_PLL 5
-
struct clk_generated {
struct clk_hw hw;
struct regmap *regmap;
@@ -29,7 +27,7 @@ struct clk_generated {
u32 gckdiv;
const struct clk_pcr_layout *layout;
u8 parent_id;
- bool audio_pll_allowed;
+ int chg_pid;
};

#define to_clk_generated(hw) \
@@ -109,7 +107,7 @@ static void clk_generated_best_diff(struct clk_rate_request *req,
tmp_rate = parent_rate / div;
tmp_diff = abs(req->rate - tmp_rate);

- if (*best_diff < 0 || *best_diff > tmp_diff) {
+ if (*best_diff < 0 || *best_diff >= tmp_diff) {
*best_rate = tmp_rate;
*best_diff = tmp_diff;
req->best_parent_rate = parent_rate;
@@ -129,7 +127,16 @@ static int clk_generated_determine_rate(struct clk_hw *hw,
int i;
u32 div;

- for (i = 0; i < clk_hw_get_num_parents(hw) - 1; i++) {
+ /* do not look for a rate that is outside of our range */
+ if (gck->range.max && req->rate > gck->range.max)
+ req->rate = gck->range.max;
+ if (gck->range.min && req->rate < gck->range.min)
+ req->rate = gck->range.min;
+
+ for (i = 0; i < clk_hw_get_num_parents(hw); i++) {
+ if (gck->chg_pid == i)
+ continue;
+
parent = clk_hw_get_parent_by_index(hw, i);
if (!parent)
continue;
@@ -161,10 +168,10 @@ static int clk_generated_determine_rate(struct clk_hw *hw,
* that the only clks able to modify gck rate are those of audio IPs.
*/

- if (!gck->audio_pll_allowed)
+ if (gck->chg_pid < 0)
goto end;

- parent = clk_hw_get_parent_by_index(hw, GCK_INDEX_DT_AUDIO_PLL);
+ parent = clk_hw_get_parent_by_index(hw, gck->chg_pid);
if (!parent)
goto end;

@@ -271,8 +278,8 @@ struct clk_hw * __init
at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
const struct clk_pcr_layout *layout,
const char *name, const char **parent_names,
- u8 num_parents, u8 id, bool pll_audio,
- const struct clk_range *range)
+ u8 num_parents, u8 id,
+ const struct clk_range *range, int chg_pid)
{
struct clk_generated *gck;
struct clk_init_data init;
@@ -287,15 +294,16 @@ at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
init.ops = &generated_ops;
init.parent_names = parent_names;
init.num_parents = num_parents;
- init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE |
- CLK_SET_RATE_PARENT;
+ init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE;
+ if (chg_pid >= 0)
+ init.flags |= CLK_SET_RATE_PARENT;

gck->id = id;
gck->hw.init = &init;
gck->regmap = regmap;
gck->lock = lock;
gck->range = *range;
- gck->audio_pll_allowed = pll_audio;
+ gck->chg_pid = chg_pid;
gck->layout = layout;

clk_generated_startup(gck);
diff --git a/drivers/clk/at91/dt-compat.c b/drivers/clk/at91/dt-compat.c
index aa1754eac59f..8a652c44c25a 100644
--- a/drivers/clk/at91/dt-compat.c
+++ b/drivers/clk/at91/dt-compat.c
@@ -22,6 +22,8 @@

#define SYSTEM_MAX_ID 31

+#define GCK_INDEX_DT_AUDIO_PLL 5
+
#ifdef CONFIG_HAVE_AT91_AUDIO_PLL
static void __init of_sama5d2_clk_audio_pll_frac_setup(struct device_node *np)
{
@@ -135,7 +137,7 @@ static void __init of_sama5d2_clk_generated_setup(struct device_node *np)
return;

for_each_child_of_node(np, gcknp) {
- bool pll_audio = false;
+ int chg_pid = INT_MIN;

if (of_property_read_u32(gcknp, "reg", &id))
continue;
@@ -152,12 +154,12 @@ static void __init of_sama5d2_clk_generated_setup(struct device_node *np)
if (of_device_is_compatible(np, "atmel,sama5d2-clk-generated") &&
(id == GCK_ID_I2S0 || id == GCK_ID_I2S1 ||
id == GCK_ID_CLASSD))
- pll_audio = true;
+ chg_pid = GCK_INDEX_DT_AUDIO_PLL;

hw = at91_clk_register_generated(regmap, &pmc_pcr_lock,
&dt_pcr_layout, name,
parent_names, num_parents,
- id, pll_audio, &range);
+ id, &range, chg_pid);
if (IS_ERR(hw))
continue;

diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
index 9b8db9cdcda5..8a88ad236074 100644
--- a/drivers/clk/at91/pmc.h
+++ b/drivers/clk/at91/pmc.h
@@ -118,8 +118,8 @@ struct clk_hw * __init
at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock,
const struct clk_pcr_layout *layout,
const char *name, const char **parent_names,
- u8 num_parents, u8 id, bool pll_audio,
- const struct clk_range *range);
+ u8 num_parents, u8 id,
+ const struct clk_range *range, int chg_pid);

struct clk_hw * __init
at91_clk_register_h32mx(struct regmap *regmap, const char *name,
diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
index e3f4c8f20223..39923899478f 100644
--- a/drivers/clk/at91/sam9x60.c
+++ b/drivers/clk/at91/sam9x60.c
@@ -124,7 +124,6 @@ static const struct {
char *n;
u8 id;
struct clk_range r;
- bool pll;
} sam9x60_gck[] = {
{ .n = "flex0_gclk", .id = 5, },
{ .n = "flex1_gclk", .id = 6, },
@@ -144,11 +143,9 @@ static const struct {
{ .n = "sdmmc1_gclk", .id = 26, .r = { .min = 0, .max = 105000000 }, },
{ .n = "flex11_gclk", .id = 32, },
{ .n = "flex12_gclk", .id = 33, },
- { .n = "i2s_gclk", .id = 34, .r = { .min = 0, .max = 105000000 },
- .pll = true, },
+ { .n = "i2s_gclk", .id = 34, .r = { .min = 0, .max = 105000000 }, },
{ .n = "pit64b_gclk", .id = 37, },
- { .n = "classd_gclk", .id = 42, .r = { .min = 0, .max = 100000000 },
- .pll = true, },
+ { .n = "classd_gclk", .id = 42, .r = { .min = 0, .max = 100000000 }, },
{ .n = "tcb1_gclk", .id = 45, },
{ .n = "dbgu_gclk", .id = 47, },
};
@@ -285,8 +282,7 @@ static void __init sam9x60_pmc_setup(struct device_node *np)
sam9x60_gck[i].n,
parent_names, 6,
sam9x60_gck[i].id,
- sam9x60_gck[i].pll,
- &sam9x60_gck[i].r);
+ &sam9x60_gck[i].r, INT_MIN);
if (IS_ERR(hw))
goto err_free;

diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c
index ff7e3f727082..d3c4bceb032d 100644
--- a/drivers/clk/at91/sama5d2.c
+++ b/drivers/clk/at91/sama5d2.c
@@ -115,21 +115,20 @@ static const struct {
char *n;
u8 id;
struct clk_range r;
- bool pll;
+ int chg_pid;
} sama5d2_gck[] = {
- { .n = "sdmmc0_gclk", .id = 31, },
- { .n = "sdmmc1_gclk", .id = 32, },
- { .n = "tcb0_gclk", .id = 35, .r = { .min = 0, .max = 83000000 }, },
- { .n = "tcb1_gclk", .id = 36, .r = { .min = 0, .max = 83000000 }, },
- { .n = "pwm_gclk", .id = 38, .r = { .min = 0, .max = 83000000 }, },
- { .n = "isc_gclk", .id = 46, },
- { .n = "pdmic_gclk", .id = 48, },
- { .n = "i2s0_gclk", .id = 54, .pll = true },
- { .n = "i2s1_gclk", .id = 55, .pll = true },
- { .n = "can0_gclk", .id = 56, .r = { .min = 0, .max = 80000000 }, },
- { .n = "can1_gclk", .id = 57, .r = { .min = 0, .max = 80000000 }, },
- { .n = "classd_gclk", .id = 59, .r = { .min = 0, .max = 100000000 },
- .pll = true },
+ { .n = "sdmmc0_gclk", .id = 31, .chg_pid = INT_MIN, },
+ { .n = "sdmmc1_gclk", .id = 32, .chg_pid = INT_MIN, },
+ { .n = "tcb0_gclk", .id = 35, .chg_pid = INT_MIN, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "tcb1_gclk", .id = 36, .chg_pid = INT_MIN, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "pwm_gclk", .id = 38, .chg_pid = INT_MIN, .r = { .min = 0, .max = 83000000 }, },
+ { .n = "isc_gclk", .id = 46, .chg_pid = INT_MIN, },
+ { .n = "pdmic_gclk", .id = 48, .chg_pid = INT_MIN, },
+ { .n = "i2s0_gclk", .id = 54, .chg_pid = 5, },
+ { .n = "i2s1_gclk", .id = 55, .chg_pid = 5, },
+ { .n = "can0_gclk", .id = 56, .chg_pid = INT_MIN, .r = { .min = 0, .max = 80000000 }, },
+ { .n = "can1_gclk", .id = 57, .chg_pid = INT_MIN, .r = { .min = 0, .max = 80000000 }, },
+ { .n = "classd_gclk", .id = 59, .chg_pid = 5, .r = { .min = 0, .max = 100000000 }, },
};

static const struct clk_programmable_layout sama5d2_programmable_layout = {
@@ -317,8 +316,8 @@ static void __init sama5d2_pmc_setup(struct device_node *np)
sama5d2_gck[i].n,
parent_names, 6,
sama5d2_gck[i].id,
- sama5d2_gck[i].pll,
- &sama5d2_gck[i].r);
+ &sama5d2_gck[i].r,
+ sama5d2_gck[i].chg_pid);
if (IS_ERR(hw))
goto err_free;

diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index bc6ccf2c7aae..c636c9ba0100 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -36,6 +36,7 @@
#define MAX_PSTATE_SHIFT 32
#define LPSTATE_SHIFT 48
#define GPSTATE_SHIFT 56
+#define MAX_NR_CHIPS 32

#define MAX_RAMP_DOWN_TIME 5120
/*
@@ -1050,12 +1051,20 @@ static int init_chip_info(void)
unsigned int *chip;
unsigned int cpu, i;
unsigned int prev_chip_id = UINT_MAX;
+ cpumask_t *chip_cpu_mask;
int ret = 0;

chip = kcalloc(num_possible_cpus(), sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;

+ /* Allocate a chip cpu mask large enough to fit mask for all chips */
+ chip_cpu_mask = kcalloc(MAX_NR_CHIPS, sizeof(cpumask_t), GFP_KERNEL);
+ if (!chip_cpu_mask) {
+ ret = -ENOMEM;
+ goto free_and_return;
+ }
+
for_each_possible_cpu(cpu) {
unsigned int id = cpu_to_chip_id(cpu);

@@ -1063,22 +1072,25 @@ static int init_chip_info(void)
prev_chip_id = id;
chip[nr_chips++] = id;
}
+ cpumask_set_cpu(cpu, &chip_cpu_mask[nr_chips-1]);
}

chips = kcalloc(nr_chips, sizeof(struct chip), GFP_KERNEL);
if (!chips) {
ret = -ENOMEM;
- goto free_and_return;
+ goto out_free_chip_cpu_mask;
}

for (i = 0; i < nr_chips; i++) {
chips[i].id = chip[i];
- cpumask_copy(&chips[i].mask, cpumask_of_node(chip[i]));
+ cpumask_copy(&chips[i].mask, &chip_cpu_mask[i]);
INIT_WORK(&chips[i].throttle, powernv_cpufreq_work_fn);
for_each_cpu(cpu, &chips[i].mask)
per_cpu(chip_info, cpu) = &chips[i];
}

+out_free_chip_cpu_mask:
+ kfree(chip_cpu_mask);
free_and_return:
kfree(chip);
return ret;
diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c
index 66fa524b6261..547111079207 100644
--- a/drivers/crypto/mxs-dcp.c
+++ b/drivers/crypto/mxs-dcp.c
@@ -298,21 +298,20 @@ static int mxs_dcp_aes_block_crypt(struct crypto_async_request *arq)

struct scatterlist *dst = req->dst;
struct scatterlist *src = req->src;
- const int nents = sg_nents(req->src);
+ int dst_nents = sg_nents(dst);

const int out_off = DCP_BUF_SZ;
uint8_t *in_buf = sdcp->coh->aes_in_buf;
uint8_t *out_buf = sdcp->coh->aes_out_buf;

- uint8_t *out_tmp, *src_buf, *dst_buf = NULL;
uint32_t dst_off = 0;
+ uint8_t *src_buf = NULL;
uint32_t last_out_len = 0;

uint8_t *key = sdcp->coh->aes_key;

int ret = 0;
- int split = 0;
- unsigned int i, len, clen, rem = 0, tlen = 0;
+ unsigned int i, len, clen, tlen = 0;
int init = 0;
bool limit_hit = false;

@@ -330,7 +329,7 @@ static int mxs_dcp_aes_block_crypt(struct crypto_async_request *arq)
memset(key + AES_KEYSIZE_128, 0, AES_KEYSIZE_128);
}

- for_each_sg(req->src, src, nents, i) {
+ for_each_sg(req->src, src, sg_nents(src), i) {
src_buf = sg_virt(src);
len = sg_dma_len(src);
tlen += len;
@@ -355,34 +354,17 @@ static int mxs_dcp_aes_block_crypt(struct crypto_async_request *arq)
* submit the buffer.
*/
if (actx->fill == out_off || sg_is_last(src) ||
- limit_hit) {
+ limit_hit) {
ret = mxs_dcp_run_aes(actx, req, init);
if (ret)
return ret;
init = 0;

- out_tmp = out_buf;
+ sg_pcopy_from_buffer(dst, dst_nents, out_buf,
+ actx->fill, dst_off);
+ dst_off += actx->fill;
last_out_len = actx->fill;
- while (dst && actx->fill) {
- if (!split) {
- dst_buf = sg_virt(dst);
- dst_off = 0;
- }
- rem = min(sg_dma_len(dst) - dst_off,
- actx->fill);
-
- memcpy(dst_buf + dst_off, out_tmp, rem);
- out_tmp += rem;
- dst_off += rem;
- actx->fill -= rem;
-
- if (dst_off == sg_dma_len(dst)) {
- dst = sg_next(dst);
- split = 0;
- } else {
- split = 1;
- }
- }
+ actx->fill = 0;
}
} while (len);

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 67736c801f3c..cc70da05db4b 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -377,7 +377,6 @@ struct sdma_channel {
unsigned long watermark_level;
u32 shp_addr, per_addr;
enum dma_status status;
- bool context_loaded;
struct imx_dma_data data;
struct work_struct terminate_worker;
};
@@ -988,9 +987,6 @@ static int sdma_load_context(struct sdma_channel *sdmac)
int ret;
unsigned long flags;

- if (sdmac->context_loaded)
- return 0;
-
if (sdmac->direction == DMA_DEV_TO_MEM)
load_address = sdmac->pc_from_device;
else if (sdmac->direction == DMA_DEV_TO_DEV)
@@ -1033,8 +1029,6 @@ static int sdma_load_context(struct sdma_channel *sdmac)

spin_unlock_irqrestore(&sdma->channel_0_lock, flags);

- sdmac->context_loaded = true;
-
return ret;
}

@@ -1074,7 +1068,6 @@ static void sdma_channel_terminate_work(struct work_struct *work)
sdmac->desc = NULL;
spin_unlock_irqrestore(&sdmac->vc.lock, flags);
vchan_dma_desc_free_list(&sdmac->vc, &head);
- sdmac->context_loaded = false;
}

static int sdma_disable_channel_async(struct dma_chan *chan)
@@ -1141,7 +1134,6 @@ static void sdma_set_watermarklevel_for_p2p(struct sdma_channel *sdmac)
static int sdma_config_channel(struct dma_chan *chan)
{
struct sdma_channel *sdmac = to_sdma_chan(chan);
- int ret;

sdma_disable_channel(chan);

@@ -1181,9 +1173,7 @@ static int sdma_config_channel(struct dma_chan *chan)
sdmac->watermark_level = 0; /* FIXME: M3_BASE_ADDRESS */
}

- ret = sdma_load_context(sdmac);
-
- return ret;
+ return 0;
}

static int sdma_set_channel_priority(struct sdma_channel *sdmac,
@@ -1335,7 +1325,6 @@ static void sdma_free_chan_resources(struct dma_chan *chan)

sdmac->event_id0 = 0;
sdmac->event_id1 = 0;
- sdmac->context_loaded = false;

sdma_set_channel_priority(sdmac, 0);

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index d1e278e999ee..1b2fa8379830 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -762,7 +762,7 @@ enum amd_hw_ip_block_type {
MAX_HWIP
};

-#define HWIP_MAX_INSTANCE 8
+#define HWIP_MAX_INSTANCE 10

struct amd_powerplay {
void *pp_handle;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c
index 70dbe343f51d..89cecdba81ac 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_i2c.c
@@ -339,7 +339,7 @@ static void amdgpu_i2c_put_byte(struct amdgpu_i2c_chan *i2c_bus,
void
amdgpu_i2c_router_select_ddc_port(const struct amdgpu_connector *amdgpu_connector)
{
- u8 val;
+ u8 val = 0;

if (!amdgpu_connector->router.ddc_valid)
return;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 28361a9c5add..532d1842f6a3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -200,7 +200,7 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain)
c++;
}

- BUG_ON(c >= AMDGPU_BO_MAX_PLACEMENTS);
+ BUG_ON(c > AMDGPU_BO_MAX_PLACEMENTS);

placement->num_placement = c;
placement->placement = places;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
index 8a32b5c93778..bd7ae3e130b6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
@@ -138,7 +138,7 @@ int amdgpu_ras_eeprom_init(struct amdgpu_ras_eeprom_control *control)
return ret;
}

- __decode_table_header_from_buff(hdr, &buff[2]);
+ __decode_table_header_from_buff(hdr, buff);

if (hdr->header == EEPROM_TABLE_HDR_VAL) {
control->num_recs = (hdr->tbl_size - EEPROM_TABLE_HEADER_SIZE) /
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
index 88813dad731f..c021519af810 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.c
@@ -98,36 +98,78 @@ void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
uint32_t *se_mask)
{
struct kfd_cu_info cu_info;
- uint32_t cu_per_se[KFD_MAX_NUM_SE] = {0};
- int i, se, sh, cu = 0;
-
+ uint32_t cu_per_sh[KFD_MAX_NUM_SE][KFD_MAX_NUM_SH_PER_SE] = {0};
+ int i, se, sh, cu;
amdgpu_amdkfd_get_cu_info(mm->dev->kgd, &cu_info);

if (cu_mask_count > cu_info.cu_active_number)
cu_mask_count = cu_info.cu_active_number;

+ /* Exceeding these bounds corrupts the stack and indicates a coding error.
+ * Returning with no CU's enabled will hang the queue, which should be
+ * attention grabbing.
+ */
+ if (cu_info.num_shader_engines > KFD_MAX_NUM_SE) {
+ pr_err("Exceeded KFD_MAX_NUM_SE, chip reports %d\n", cu_info.num_shader_engines);
+ return;
+ }
+ if (cu_info.num_shader_arrays_per_engine > KFD_MAX_NUM_SH_PER_SE) {
+ pr_err("Exceeded KFD_MAX_NUM_SH, chip reports %d\n",
+ cu_info.num_shader_arrays_per_engine * cu_info.num_shader_engines);
+ return;
+ }
+ /* Count active CUs per SH.
+ *
+ * Some CUs in an SH may be disabled. HW expects disabled CUs to be
+ * represented in the high bits of each SH's enable mask (the upper and lower
+ * 16 bits of se_mask) and will take care of the actual distribution of
+ * disabled CUs within each SH automatically.
+ * Each half of se_mask must be filled only on bits 0-cu_per_sh[se][sh]-1.
+ *
+ * See note on Arcturus cu_bitmap layout in gfx_v9_0_get_cu_info.
+ */
for (se = 0; se < cu_info.num_shader_engines; se++)
for (sh = 0; sh < cu_info.num_shader_arrays_per_engine; sh++)
- cu_per_se[se] += hweight32(cu_info.cu_bitmap[se % 4][sh + (se / 4)]);
-
- /* Symmetrically map cu_mask to all SEs:
- * cu_mask[0] bit0 -> se_mask[0] bit0;
- * cu_mask[0] bit1 -> se_mask[1] bit0;
- * ... (if # SE is 4)
- * cu_mask[0] bit4 -> se_mask[0] bit1;
+ cu_per_sh[se][sh] = hweight32(cu_info.cu_bitmap[se % 4][sh + (se / 4)]);
+
+ /* Symmetrically map cu_mask to all SEs & SHs:
+ * se_mask programs up to 2 SH in the upper and lower 16 bits.
+ *
+ * Examples
+ * Assuming 1 SH/SE, 4 SEs:
+ * cu_mask[0] bit0 -> se_mask[0] bit0
+ * cu_mask[0] bit1 -> se_mask[1] bit0
+ * ...
+ * cu_mask[0] bit4 -> se_mask[0] bit1
+ * ...
+ *
+ * Assuming 2 SH/SE, 4 SEs
+ * cu_mask[0] bit0 -> se_mask[0] bit0 (SE0,SH0,CU0)
+ * cu_mask[0] bit1 -> se_mask[1] bit0 (SE1,SH0,CU0)
+ * ...
+ * cu_mask[0] bit4 -> se_mask[0] bit16 (SE0,SH1,CU0)
+ * cu_mask[0] bit5 -> se_mask[1] bit16 (SE1,SH1,CU0)
+ * ...
+ * cu_mask[0] bit8 -> se_mask[0] bit1 (SE0,SH0,CU1)
* ...
+ *
+ * First ensure all CUs are disabled, then enable user specified CUs.
*/
- se = 0;
- for (i = 0; i < cu_mask_count; i++) {
- if (cu_mask[i / 32] & (1 << (i % 32)))
- se_mask[se] |= 1 << cu;
-
- do {
- se++;
- if (se == cu_info.num_shader_engines) {
- se = 0;
- cu++;
+ for (i = 0; i < cu_info.num_shader_engines; i++)
+ se_mask[i] = 0;
+
+ i = 0;
+ for (cu = 0; cu < 16; cu++) {
+ for (sh = 0; sh < cu_info.num_shader_arrays_per_engine; sh++) {
+ for (se = 0; se < cu_info.num_shader_engines; se++) {
+ if (cu_per_sh[se][sh] > cu) {
+ if (cu_mask[i / 32] & (1 << (i % 32)))
+ se_mask[se] |= 1 << (cu + sh * 16);
+ i++;
+ if (i == cu_mask_count)
+ return;
+ }
}
- } while (cu >= cu_per_se[se] && cu < 32);
+ }
}
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
index fbdb16418847..4edc012e3138 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
@@ -27,6 +27,7 @@
#include "kfd_priv.h"

#define KFD_MAX_NUM_SE 8
+#define KFD_MAX_NUM_SH_PER_SE 2

/**
* struct mqd_manager
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index f3dfb2887ae0..2cdcefab2d7d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -95,29 +95,29 @@ static ssize_t dp_link_settings_read(struct file *f, char __user *buf,

rd_buf_ptr = rd_buf;

- str_len = strlen("Current: %d %d %d ");
- snprintf(rd_buf_ptr, str_len, "Current: %d %d %d ",
+ str_len = strlen("Current: %d 0x%x %d ");
+ snprintf(rd_buf_ptr, str_len, "Current: %d 0x%x %d ",
link->cur_link_settings.lane_count,
link->cur_link_settings.link_rate,
link->cur_link_settings.link_spread);
rd_buf_ptr += str_len;

- str_len = strlen("Verified: %d %d %d ");
- snprintf(rd_buf_ptr, str_len, "Verified: %d %d %d ",
+ str_len = strlen("Verified: %d 0x%x %d ");
+ snprintf(rd_buf_ptr, str_len, "Verified: %d 0x%x %d ",
link->verified_link_cap.lane_count,
link->verified_link_cap.link_rate,
link->verified_link_cap.link_spread);
rd_buf_ptr += str_len;

- str_len = strlen("Reported: %d %d %d ");
- snprintf(rd_buf_ptr, str_len, "Reported: %d %d %d ",
+ str_len = strlen("Reported: %d 0x%x %d ");
+ snprintf(rd_buf_ptr, str_len, "Reported: %d 0x%x %d ",
link->reported_link_cap.lane_count,
link->reported_link_cap.link_rate,
link->reported_link_cap.link_spread);
rd_buf_ptr += str_len;

- str_len = strlen("Preferred: %d %d %d ");
- snprintf(rd_buf_ptr, str_len, "Preferred: %d %d %d\n",
+ str_len = strlen("Preferred: %d 0x%x %d ");
+ snprintf(rd_buf_ptr, str_len, "Preferred: %d 0x%x %d\n",
link->preferred_link_setting.lane_count,
link->preferred_link_setting.link_rate,
link->preferred_link_setting.link_spread);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 60123db7ba02..bc5ebea1abed 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -3264,13 +3264,12 @@ static enum dc_status dcn10_set_clock(struct dc *dc,
struct dc_clock_config clock_cfg = {0};
struct dc_clocks *current_clocks = &context->bw_ctx.bw.dcn.clk;

- if (dc->clk_mgr && dc->clk_mgr->funcs->get_clock)
- dc->clk_mgr->funcs->get_clock(dc->clk_mgr,
- context, clock_type, &clock_cfg);
-
- if (!dc->clk_mgr->funcs->get_clock)
+ if (!dc->clk_mgr || !dc->clk_mgr->funcs->get_clock)
return DC_FAIL_UNSUPPORTED_1;

+ dc->clk_mgr->funcs->get_clock(dc->clk_mgr,
+ context, clock_type, &clock_cfg);
+
if (clk_khz > clock_cfg.max_clock_khz)
return DC_FAIL_CLK_EXCEED_MAX;

@@ -3288,7 +3287,7 @@ static enum dc_status dcn10_set_clock(struct dc *dc,
else
return DC_ERROR_UNEXPECTED;

- if (dc->clk_mgr && dc->clk_mgr->funcs->update_clocks)
+ if (dc->clk_mgr->funcs->update_clocks)
dc->clk_mgr->funcs->update_clocks(dc->clk_mgr,
context, true);
return DC_OK;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index 2b1175bb2dae..d2ea4c003d44 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -2232,7 +2232,7 @@ void dcn20_set_mcif_arb_params(
wb_arb_params->cli_watermark[k] = get_wm_writeback_urgent(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
wb_arb_params->pstate_watermark[k] = get_wm_writeback_dram_clock_change(&context->bw_ctx.dml, pipes, pipe_cnt) * 1000;
}
- wb_arb_params->time_per_pixel = 16.0 / context->res_ctx.pipe_ctx[i].stream->phy_pix_clk; /* 4 bit fraction, ms */
+ wb_arb_params->time_per_pixel = 16.0 * 1000 / (context->res_ctx.pipe_ctx[i].stream->phy_pix_clk / 1000); /* 4 bit fraction, ms */
wb_arb_params->slice_lines = 32;
wb_arb_params->arbitration_slice = 2;
wb_arb_params->max_scaled_time = dcn20_calc_max_scaled_time(wb_arb_params->time_per_pixel,
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index 00debd02c322..0ba92428ef56 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -91,6 +91,7 @@ static int drm_clients_info(struct seq_file *m, void *data)
mutex_lock(&dev->filelist_mutex);
list_for_each_entry_reverse(priv, &dev->filelist, lhead) {
struct task_struct *task;
+ bool is_current_master = drm_is_current_master(priv);

rcu_read_lock(); /* locks pid_task()->comm */
task = pid_task(priv->pid, PIDTYPE_PID);
@@ -99,7 +100,7 @@ static int drm_clients_info(struct seq_file *m, void *data)
task ? task->comm : "<unknown>",
pid_vnr(priv->pid),
priv->minor->index,
- drm_is_current_master(priv) ? 'y' : 'n',
+ is_current_master ? 'y' : 'n',
priv->authenticated ? 'y' : 'n',
from_kuid_munged(seq_user_ns(m), uid),
priv->magic);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
index 0c9c40720ca9..35225ff8792d 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
@@ -397,8 +397,7 @@ void etnaviv_buffer_queue(struct etnaviv_gpu *gpu, u32 exec_state,
if (switch_mmu_context) {
struct etnaviv_iommu_context *old_context = gpu->mmu_context;

- etnaviv_iommu_context_get(mmu_context);
- gpu->mmu_context = mmu_context;
+ gpu->mmu_context = etnaviv_iommu_context_get(mmu_context);
etnaviv_iommu_context_put(old_context);
}

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
index cb1faaac380a..519948637186 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
@@ -304,8 +304,7 @@ struct etnaviv_vram_mapping *etnaviv_gem_mapping_get(
list_del(&mapping->obj_node);
}

- etnaviv_iommu_context_get(mmu_context);
- mapping->context = mmu_context;
+ mapping->context = etnaviv_iommu_context_get(mmu_context);
mapping->use = 1;

ret = etnaviv_iommu_map_gem(mmu_context, etnaviv_obj,
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
index 1ba83a90cdef..7085b08b1db4 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
@@ -534,8 +534,7 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data,
goto err_submit_objects;

submit->ctx = file->driver_priv;
- etnaviv_iommu_context_get(submit->ctx->mmu);
- submit->mmu_context = submit->ctx->mmu;
+ submit->mmu_context = etnaviv_iommu_context_get(submit->ctx->mmu);
submit->exec_state = args->exec_state;
submit->flags = args->flags;

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 85de8551ce86..db35736d47af 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -545,6 +545,12 @@ static int etnaviv_hw_reset(struct etnaviv_gpu *gpu)
/* We rely on the GPU running, so program the clock */
etnaviv_gpu_update_clock(gpu);

+ gpu->fe_running = false;
+ gpu->exec_state = -1;
+ if (gpu->mmu_context)
+ etnaviv_iommu_context_put(gpu->mmu_context);
+ gpu->mmu_context = NULL;
+
return 0;
}

@@ -607,19 +613,23 @@ void etnaviv_gpu_start_fe(struct etnaviv_gpu *gpu, u32 address, u16 prefetch)
VIVS_MMUv2_SEC_COMMAND_CONTROL_ENABLE |
VIVS_MMUv2_SEC_COMMAND_CONTROL_PREFETCH(prefetch));
}
+
+ gpu->fe_running = true;
}

-static void etnaviv_gpu_start_fe_idleloop(struct etnaviv_gpu *gpu)
+static void etnaviv_gpu_start_fe_idleloop(struct etnaviv_gpu *gpu,
+ struct etnaviv_iommu_context *context)
{
- u32 address = etnaviv_cmdbuf_get_va(&gpu->buffer,
- &gpu->mmu_context->cmdbuf_mapping);
u16 prefetch;
+ u32 address;

/* setup the MMU */
- etnaviv_iommu_restore(gpu, gpu->mmu_context);
+ etnaviv_iommu_restore(gpu, context);

/* Start command processor */
prefetch = etnaviv_buffer_init(gpu);
+ address = etnaviv_cmdbuf_get_va(&gpu->buffer,
+ &gpu->mmu_context->cmdbuf_mapping);

etnaviv_gpu_start_fe(gpu, address, prefetch);
}
@@ -790,7 +800,6 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu)
/* Now program the hardware */
mutex_lock(&gpu->lock);
etnaviv_gpu_hw_init(gpu);
- gpu->exec_state = -1;
mutex_unlock(&gpu->lock);

pm_runtime_mark_last_busy(gpu->dev);
@@ -994,8 +1003,6 @@ void etnaviv_gpu_recover_hang(struct etnaviv_gpu *gpu)
spin_unlock(&gpu->event_spinlock);

etnaviv_gpu_hw_init(gpu);
- gpu->exec_state = -1;
- gpu->mmu_context = NULL;

mutex_unlock(&gpu->lock);
pm_runtime_mark_last_busy(gpu->dev);
@@ -1306,14 +1313,12 @@ struct dma_fence *etnaviv_gpu_submit(struct etnaviv_gem_submit *submit)
goto out_unlock;
}

- if (!gpu->mmu_context) {
- etnaviv_iommu_context_get(submit->mmu_context);
- gpu->mmu_context = submit->mmu_context;
- etnaviv_gpu_start_fe_idleloop(gpu);
- } else {
- etnaviv_iommu_context_get(gpu->mmu_context);
- submit->prev_mmu_context = gpu->mmu_context;
- }
+ if (!gpu->fe_running)
+ etnaviv_gpu_start_fe_idleloop(gpu, submit->mmu_context);
+
+ if (submit->prev_mmu_context)
+ etnaviv_iommu_context_put(submit->prev_mmu_context);
+ submit->prev_mmu_context = etnaviv_iommu_context_get(gpu->mmu_context);

if (submit->nr_pmrs) {
gpu->event[event[1]].sync_point = &sync_point_perfmon_sample_pre;
@@ -1530,7 +1535,7 @@ int etnaviv_gpu_wait_idle(struct etnaviv_gpu *gpu, unsigned int timeout_ms)

static int etnaviv_gpu_hw_suspend(struct etnaviv_gpu *gpu)
{
- if (gpu->initialized && gpu->mmu_context) {
+ if (gpu->initialized && gpu->fe_running) {
/* Replace the last WAIT with END */
mutex_lock(&gpu->lock);
etnaviv_buffer_end(gpu);
@@ -1543,8 +1548,7 @@ static int etnaviv_gpu_hw_suspend(struct etnaviv_gpu *gpu)
*/
etnaviv_gpu_wait_idle(gpu, 100);

- etnaviv_iommu_context_put(gpu->mmu_context);
- gpu->mmu_context = NULL;
+ gpu->fe_running = false;
}

gpu->exec_state = -1;
@@ -1692,6 +1696,9 @@ static void etnaviv_gpu_unbind(struct device *dev, struct device *master,
etnaviv_gpu_hw_suspend(gpu);
#endif

+ if (gpu->mmu_context)
+ etnaviv_iommu_context_put(gpu->mmu_context);
+
if (gpu->initialized) {
etnaviv_cmdbuf_free(&gpu->buffer);
etnaviv_iommu_global_fini(gpu);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
index 8f9bd4edc96a..02478c75f896 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
@@ -101,6 +101,7 @@ struct etnaviv_gpu {
struct workqueue_struct *wq;
struct drm_gpu_scheduler sched;
bool initialized;
+ bool fe_running;

/* 'ring'-buffer: */
struct etnaviv_cmdbuf buffer;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
index 1a7c89a67bea..afe5dd6a9925 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
@@ -92,6 +92,10 @@ static void etnaviv_iommuv1_restore(struct etnaviv_gpu *gpu,
struct etnaviv_iommuv1_context *v1_context = to_v1_context(context);
u32 pgtable;

+ if (gpu->mmu_context)
+ etnaviv_iommu_context_put(gpu->mmu_context);
+ gpu->mmu_context = etnaviv_iommu_context_get(context);
+
/* set base addresses */
gpu_write(gpu, VIVS_MC_MEMORY_BASE_ADDR_RA, context->global->memory_base);
gpu_write(gpu, VIVS_MC_MEMORY_BASE_ADDR_FE, context->global->memory_base);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
index f8bf488e9d71..d664ae29ae20 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c
@@ -172,6 +172,10 @@ static void etnaviv_iommuv2_restore_nonsec(struct etnaviv_gpu *gpu,
if (gpu_read(gpu, VIVS_MMUv2_CONTROL) & VIVS_MMUv2_CONTROL_ENABLE)
return;

+ if (gpu->mmu_context)
+ etnaviv_iommu_context_put(gpu->mmu_context);
+ gpu->mmu_context = etnaviv_iommu_context_get(context);
+
prefetch = etnaviv_buffer_config_mmuv2(gpu,
(u32)v2_context->mtlb_dma,
(u32)context->global->bad_page_dma);
@@ -192,6 +196,10 @@ static void etnaviv_iommuv2_restore_sec(struct etnaviv_gpu *gpu,
if (gpu_read(gpu, VIVS_MMUv2_SEC_CONTROL) & VIVS_MMUv2_SEC_CONTROL_ENABLE)
return;

+ if (gpu->mmu_context)
+ etnaviv_iommu_context_put(gpu->mmu_context);
+ gpu->mmu_context = etnaviv_iommu_context_get(context);
+
gpu_write(gpu, VIVS_MMUv2_PTA_ADDRESS_LOW,
lower_32_bits(context->global->v2.pta_dma));
gpu_write(gpu, VIVS_MMUv2_PTA_ADDRESS_HIGH,
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
index 3607d348c298..707f5c1a5874 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
@@ -204,6 +204,7 @@ static int etnaviv_iommu_find_iova(struct etnaviv_iommu_context *context,
*/
list_for_each_entry_safe(m, n, &list, scan_node) {
etnaviv_iommu_remove_mapping(context, m);
+ etnaviv_iommu_context_put(m->context);
m->context = NULL;
list_del_init(&m->mmu_node);
list_del_init(&m->scan_node);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.h b/drivers/gpu/drm/etnaviv/etnaviv_mmu.h
index d1d6902fd13b..e4a0b7d09c2e 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.h
@@ -105,9 +105,11 @@ void etnaviv_iommu_dump(struct etnaviv_iommu_context *ctx, void *buf);
struct etnaviv_iommu_context *
etnaviv_iommu_context_init(struct etnaviv_iommu_global *global,
struct etnaviv_cmdbuf_suballoc *suballoc);
-static inline void etnaviv_iommu_context_get(struct etnaviv_iommu_context *ctx)
+static inline struct etnaviv_iommu_context *
+etnaviv_iommu_context_get(struct etnaviv_iommu_context *ctx)
{
kref_get(&ctx->refcount);
+ return ctx;
}
void etnaviv_iommu_context_put(struct etnaviv_iommu_context *ctx);
void etnaviv_iommu_restore(struct etnaviv_gpu *gpu,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dma.c b/drivers/gpu/drm/exynos/exynos_drm_dma.c
index 58b89ec11b0e..a3c9d8b9e1a1 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dma.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dma.c
@@ -140,6 +140,8 @@ int exynos_drm_register_dma(struct drm_device *drm, struct device *dev,
EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE);
else if (IS_ENABLED(CONFIG_IOMMU_DMA))
mapping = iommu_get_domain_for_dev(priv->dma_dev);
+ else
+ mapping = ERR_PTR(-ENODEV);

if (IS_ERR(mapping))
return PTR_ERR(mapping);
diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
index 20194d86d033..4f0c6d58e06f 100644
--- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
@@ -108,13 +108,6 @@ static void mdp4_disable_commit(struct msm_kms *kms)

static void mdp4_prepare_commit(struct msm_kms *kms, struct drm_atomic_state *state)
{
- int i;
- struct drm_crtc *crtc;
- struct drm_crtc_state *crtc_state;
-
- /* see 119ecb7fd */
- for_each_new_crtc_in_state(state, crtc, crtc_state, i)
- drm_crtc_vblank_get(crtc);
}

static void mdp4_flush_commit(struct msm_kms *kms, unsigned crtc_mask)
@@ -133,12 +126,6 @@ static void mdp4_wait_flush(struct msm_kms *kms, unsigned crtc_mask)

static void mdp4_complete_commit(struct msm_kms *kms, unsigned crtc_mask)
{
- struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms));
- struct drm_crtc *crtc;
-
- /* see 119ecb7fd */
- for_each_crtc_mask(mdp4_kms->dev, crtc, crtc_mask)
- drm_crtc_vblank_put(crtc);
}

static long mdp4_round_pixclk(struct msm_kms *kms, unsigned long rate,
@@ -418,6 +405,7 @@ struct msm_kms *mdp4_kms_init(struct drm_device *dev)
{
struct platform_device *pdev = to_platform_device(dev->dev);
struct mdp4_platform_config *config = mdp4_get_config(pdev);
+ struct msm_drm_private *priv = dev->dev_private;
struct mdp4_kms *mdp4_kms;
struct msm_kms *kms = NULL;
struct msm_gem_address_space *aspace;
@@ -432,7 +420,8 @@ struct msm_kms *mdp4_kms_init(struct drm_device *dev)

mdp_kms_init(&mdp4_kms->base, &kms_funcs);

- kms = &mdp4_kms->base.base;
+ priv->kms = &mdp4_kms->base.base;
+ kms = priv->kms;

mdp4_kms->dev = dev;

diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
index bfd503d22088..8a014dc11571 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
@@ -52,25 +52,16 @@ static int write_cmd(struct panfrost_device *pfdev, u32 as_nr, u32 cmd)
}

static void lock_region(struct panfrost_device *pfdev, u32 as_nr,
- u64 iova, size_t size)
+ u64 iova, u64 size)
{
u8 region_width;
u64 region = iova & PAGE_MASK;
- /*
- * fls returns:
- * 1 .. 32
- *
- * 10 + fls(num_pages)
- * results in the range (11 .. 42)
- */
-
- size = round_up(size, PAGE_SIZE);

- region_width = 10 + fls(size >> PAGE_SHIFT);
- if ((size >> PAGE_SHIFT) != (1ul << (region_width - 11))) {
- /* not pow2, so must go up to the next pow2 */
- region_width += 1;
- }
+ /* The size is encoded as ceil(log2) minus(1), which may be calculated
+ * with fls. The size must be clamped to hardware bounds.
+ */
+ size = max_t(u64, size, AS_LOCK_REGION_MIN_SIZE);
+ region_width = fls64(size - 1) - 1;
region |= region_width;

/* Lock the region that needs to be updated */
@@ -81,7 +72,7 @@ static void lock_region(struct panfrost_device *pfdev, u32 as_nr,

static int mmu_hw_do_operation_locked(struct panfrost_device *pfdev, int as_nr,
- u64 iova, size_t size, u32 op)
+ u64 iova, u64 size, u32 op)
{
if (as_nr < 0)
return 0;
@@ -98,7 +89,7 @@ static int mmu_hw_do_operation_locked(struct panfrost_device *pfdev, int as_nr,

static int mmu_hw_do_operation(struct panfrost_device *pfdev,
struct panfrost_mmu *mmu,
- u64 iova, size_t size, u32 op)
+ u64 iova, u64 size, u32 op)
{
int ret;

@@ -115,7 +106,7 @@ static void panfrost_mmu_enable(struct panfrost_device *pfdev, struct panfrost_m
u64 transtab = cfg->arm_mali_lpae_cfg.transtab;
u64 memattr = cfg->arm_mali_lpae_cfg.memattr;

- mmu_hw_do_operation_locked(pfdev, as_nr, 0, ~0UL, AS_COMMAND_FLUSH_MEM);
+ mmu_hw_do_operation_locked(pfdev, as_nr, 0, ~0ULL, AS_COMMAND_FLUSH_MEM);

mmu_write(pfdev, AS_TRANSTAB_LO(as_nr), transtab & 0xffffffffUL);
mmu_write(pfdev, AS_TRANSTAB_HI(as_nr), transtab >> 32);
@@ -131,7 +122,7 @@ static void panfrost_mmu_enable(struct panfrost_device *pfdev, struct panfrost_m

static void panfrost_mmu_disable(struct panfrost_device *pfdev, u32 as_nr)
{
- mmu_hw_do_operation_locked(pfdev, as_nr, 0, ~0UL, AS_COMMAND_FLUSH_MEM);
+ mmu_hw_do_operation_locked(pfdev, as_nr, 0, ~0ULL, AS_COMMAND_FLUSH_MEM);

mmu_write(pfdev, AS_TRANSTAB_LO(as_nr), 0);
mmu_write(pfdev, AS_TRANSTAB_HI(as_nr), 0);
@@ -231,7 +222,7 @@ static size_t get_pgsize(u64 addr, size_t size)

static void panfrost_mmu_flush_range(struct panfrost_device *pfdev,
struct panfrost_mmu *mmu,
- u64 iova, size_t size)
+ u64 iova, u64 size)
{
if (mmu->as < 0)
return;
diff --git a/drivers/gpu/drm/panfrost/panfrost_regs.h b/drivers/gpu/drm/panfrost/panfrost_regs.h
index eddaa62ad8b0..2ae3a4d301d3 100644
--- a/drivers/gpu/drm/panfrost/panfrost_regs.h
+++ b/drivers/gpu/drm/panfrost/panfrost_regs.h
@@ -318,6 +318,8 @@
#define AS_FAULTSTATUS_ACCESS_TYPE_READ (0x2 << 8)
#define AS_FAULTSTATUS_ACCESS_TYPE_WRITE (0x3 << 8)

+#define AS_LOCK_REGION_MIN_SIZE (1ULL << 15)
+
#define gpu_write(dev, reg, data) writel(data, dev->iomem + reg)
#define gpu_read(dev, reg) readl(dev->iomem + reg)

diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 6d551ae251c0..ea4c97f5b073 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -415,8 +415,6 @@ static int hidinput_get_battery_property(struct power_supply *psy,

if (dev->battery_status == HID_BATTERY_UNKNOWN)
val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
- else if (dev->battery_capacity == 100)
- val->intval = POWER_SUPPLY_STATUS_FULL;
else
val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
break;
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index 6f7a3702b5fb..ac076ac73de5 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -178,8 +178,6 @@ static const struct i2c_hid_quirks {
I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
{ I2C_VENDOR_ID_RAYDIUM, I2C_PRODUCT_ID_RAYDIUM_3118,
I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
- { USB_VENDOR_ID_ELAN, HID_ANY_ID,
- I2C_HID_QUIRK_BOGUS_IRQ },
{ USB_VENDOR_ID_ALPS_JP, HID_ANY_ID,
I2C_HID_QUIRK_RESET_ON_RESUME },
{ I2C_VENDOR_ID_SYNAPTICS, I2C_PRODUCT_ID_SYNAPTICS_SYNA2393,
@@ -190,7 +188,8 @@ static const struct i2c_hid_quirks {
* Sending the wakeup after reset actually break ELAN touchscreen controller
*/
{ USB_VENDOR_ID_ELAN, HID_ANY_ID,
- I2C_HID_QUIRK_NO_WAKEUP_AFTER_RESET },
+ I2C_HID_QUIRK_NO_WAKEUP_AFTER_RESET |
+ I2C_HID_QUIRK_BOGUS_IRQ },
{ 0, 0 }
};

diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c
index e6c022e1dc1c..17cc8b3fc5d8 100644
--- a/drivers/iio/dac/ad5624r_spi.c
+++ b/drivers/iio/dac/ad5624r_spi.c
@@ -229,7 +229,7 @@ static int ad5624r_probe(struct spi_device *spi)
if (!indio_dev)
return -ENOMEM;
st = iio_priv(indio_dev);
- st->reg = devm_regulator_get(&spi->dev, "vcc");
+ st->reg = devm_regulator_get_optional(&spi->dev, "vref");
if (!IS_ERR(st->reg)) {
ret = regulator_enable(st->reg);
if (ret)
@@ -240,6 +240,22 @@ static int ad5624r_probe(struct spi_device *spi)
goto error_disable_reg;

voltage_uv = ret;
+ } else {
+ if (PTR_ERR(st->reg) != -ENODEV)
+ return PTR_ERR(st->reg);
+ /* Backwards compatibility. This naming is not correct */
+ st->reg = devm_regulator_get_optional(&spi->dev, "vcc");
+ if (!IS_ERR(st->reg)) {
+ ret = regulator_enable(st->reg);
+ if (ret)
+ return ret;
+
+ ret = regulator_get_voltage(st->reg);
+ if (ret < 0)
+ goto error_disable_reg;
+
+ voltage_uv = ret;
+ }
}

spi_set_drvdata(spi, indio_dev);
diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c
index da8adadf4755..75b6da00065a 100644
--- a/drivers/infiniband/core/iwcm.c
+++ b/drivers/infiniband/core/iwcm.c
@@ -1187,29 +1187,34 @@ static int __init iw_cm_init(void)

ret = iwpm_init(RDMA_NL_IWCM);
if (ret)
- pr_err("iw_cm: couldn't init iwpm\n");
- else
- rdma_nl_register(RDMA_NL_IWCM, iwcm_nl_cb_table);
+ return ret;
+
iwcm_wq = alloc_ordered_workqueue("iw_cm_wq", 0);
if (!iwcm_wq)
- return -ENOMEM;
+ goto err_alloc;

iwcm_ctl_table_hdr = register_net_sysctl(&init_net, "net/iw_cm",
iwcm_ctl_table);
if (!iwcm_ctl_table_hdr) {
pr_err("iw_cm: couldn't register sysctl paths\n");
- destroy_workqueue(iwcm_wq);
- return -ENOMEM;
+ goto err_sysctl;
}

+ rdma_nl_register(RDMA_NL_IWCM, iwcm_nl_cb_table);
return 0;
+
+err_sysctl:
+ destroy_workqueue(iwcm_wq);
+err_alloc:
+ iwpm_exit(RDMA_NL_IWCM);
+ return -ENOMEM;
}

static void __exit iw_cm_cleanup(void)
{
+ rdma_nl_unregister(RDMA_NL_IWCM);
unregister_net_sysctl_table(iwcm_ctl_table_hdr);
destroy_workqueue(iwcm_wq);
- rdma_nl_unregister(RDMA_NL_IWCM);
iwpm_exit(RDMA_NL_IWCM);
}

diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
index 4edae89e8e3c..17f1e59ab12e 100644
--- a/drivers/infiniband/hw/efa/efa_verbs.c
+++ b/drivers/infiniband/hw/efa/efa_verbs.c
@@ -745,7 +745,6 @@ struct ib_qp *efa_create_qp(struct ib_pd *ibpd,
rq_entry_inserted = true;
qp->qp_handle = create_qp_resp.qp_handle;
qp->ibqp.qp_num = create_qp_resp.qp_num;
- qp->ibqp.qp_type = init_attr->qp_type;
qp->max_send_wr = init_attr->cap.max_send_wr;
qp->max_recv_wr = init_attr->cap.max_recv_wr;
qp->max_send_sge = init_attr->cap.max_send_sge;
diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c
index fbff6b2f00e7..1256dbd5b2ef 100644
--- a/drivers/infiniband/hw/hfi1/init.c
+++ b/drivers/infiniband/hw/hfi1/init.c
@@ -664,12 +664,7 @@ void hfi1_init_pportdata(struct pci_dev *pdev, struct hfi1_pportdata *ppd,

ppd->pkeys[default_pkey_idx] = DEFAULT_P_KEY;
ppd->part_enforce |= HFI1_PART_ENFORCE_IN;
-
- if (loopback) {
- dd_dev_err(dd, "Faking data partition 0x8001 in idx %u\n",
- !default_pkey_idx);
- ppd->pkeys[!default_pkey_idx] = 0x8001;
- }
+ ppd->pkeys[0] = 0x8001;

INIT_WORK(&ppd->link_vc_work, handle_verify_cap);
INIT_WORK(&ppd->link_up_work, handle_link_up);
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index d85648b9c247..571c04e70343 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -2092,7 +2092,12 @@ static void *crypt_page_alloc(gfp_t gfp_mask, void *pool_data)
struct crypt_config *cc = pool_data;
struct page *page;

- if (unlikely(percpu_counter_compare(&cc->n_allocated_pages, dm_crypt_pages_per_client) >= 0) &&
+ /*
+ * Note, percpu_counter_read_positive() may over (and under) estimate
+ * the current usage by at most (batch - 1) * num_online_cpus() pages,
+ * but avoids potential spinlock contention of an exact result.
+ */
+ if (unlikely(percpu_counter_read_positive(&cc->n_allocated_pages) >= dm_crypt_pages_per_client) &&
likely(gfp_mask & __GFP_NORETRY))
return NULL;

diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c
index 082796534b0a..bb02354a48b8 100644
--- a/drivers/media/dvb-frontends/dib8000.c
+++ b/drivers/media/dvb-frontends/dib8000.c
@@ -2107,32 +2107,55 @@ static void dib8000_load_ana_fe_coefs(struct dib8000_state *state, const s16 *an
dib8000_write_word(state, 117 + mode, ana_fe[mode]);
}

-static const u16 lut_prbs_2k[14] = {
- 0, 0x423, 0x009, 0x5C7, 0x7A6, 0x3D8, 0x527, 0x7FF, 0x79B, 0x3D6, 0x3A2, 0x53B, 0x2F4, 0x213
+static const u16 lut_prbs_2k[13] = {
+ 0x423, 0x009, 0x5C7,
+ 0x7A6, 0x3D8, 0x527,
+ 0x7FF, 0x79B, 0x3D6,
+ 0x3A2, 0x53B, 0x2F4,
+ 0x213
};
-static const u16 lut_prbs_4k[14] = {
- 0, 0x208, 0x0C3, 0x7B9, 0x423, 0x5C7, 0x3D8, 0x7FF, 0x3D6, 0x53B, 0x213, 0x029, 0x0D0, 0x48E
+
+static const u16 lut_prbs_4k[13] = {
+ 0x208, 0x0C3, 0x7B9,
+ 0x423, 0x5C7, 0x3D8,
+ 0x7FF, 0x3D6, 0x53B,
+ 0x213, 0x029, 0x0D0,
+ 0x48E
};
-static const u16 lut_prbs_8k[14] = {
- 0, 0x740, 0x069, 0x7DD, 0x208, 0x7B9, 0x5C7, 0x7FF, 0x53B, 0x029, 0x48E, 0x4C4, 0x367, 0x684
+
+static const u16 lut_prbs_8k[13] = {
+ 0x740, 0x069, 0x7DD,
+ 0x208, 0x7B9, 0x5C7,
+ 0x7FF, 0x53B, 0x029,
+ 0x48E, 0x4C4, 0x367,
+ 0x684
};

static u16 dib8000_get_init_prbs(struct dib8000_state *state, u16 subchannel)
{
int sub_channel_prbs_group = 0;
+ int prbs_group;

- sub_channel_prbs_group = (subchannel / 3) + 1;
- dprintk("sub_channel_prbs_group = %d , subchannel =%d prbs = 0x%04x\n", sub_channel_prbs_group, subchannel, lut_prbs_8k[sub_channel_prbs_group]);
+ sub_channel_prbs_group = subchannel / 3;
+ if (sub_channel_prbs_group >= ARRAY_SIZE(lut_prbs_2k))
+ return 0;

switch (state->fe[0]->dtv_property_cache.transmission_mode) {
case TRANSMISSION_MODE_2K:
- return lut_prbs_2k[sub_channel_prbs_group];
+ prbs_group = lut_prbs_2k[sub_channel_prbs_group];
+ break;
case TRANSMISSION_MODE_4K:
- return lut_prbs_4k[sub_channel_prbs_group];
+ prbs_group = lut_prbs_4k[sub_channel_prbs_group];
+ break;
default:
case TRANSMISSION_MODE_8K:
- return lut_prbs_8k[sub_channel_prbs_group];
+ prbs_group = lut_prbs_8k[sub_channel_prbs_group];
}
+
+ dprintk("sub_channel_prbs_group = %d , subchannel =%d prbs = 0x%04x\n",
+ sub_channel_prbs_group, subchannel, prbs_group);
+
+ return prbs_group;
}

static void dib8000_set_13seg_channel(struct dib8000_state *state)
@@ -2409,10 +2432,8 @@ static void dib8000_set_isdbt_common_channel(struct dib8000_state *state, u8 seq
/* TSB or ISDBT ? apply it now */
if (c->isdbt_sb_mode) {
dib8000_set_sb_channel(state);
- if (c->isdbt_sb_subchannel < 14)
- init_prbs = dib8000_get_init_prbs(state, c->isdbt_sb_subchannel);
- else
- init_prbs = 0;
+ init_prbs = dib8000_get_init_prbs(state,
+ c->isdbt_sb_subchannel);
} else {
dib8000_set_13seg_channel(state);
init_prbs = 0xfff;
@@ -3004,6 +3025,7 @@ static int dib8000_tune(struct dvb_frontend *fe)

unsigned long *timeout = &state->timeout;
unsigned long now = jiffies;
+ u16 init_prbs;
#ifdef DIB8000_AGC_FREEZE
u16 agc1, agc2;
#endif
@@ -3302,8 +3324,10 @@ static int dib8000_tune(struct dvb_frontend *fe)
break;

case CT_DEMOD_STEP_11: /* 41 : init prbs autosearch */
- if (state->subchannel <= 41) {
- dib8000_set_subchannel_prbs(state, dib8000_get_init_prbs(state, state->subchannel));
+ init_prbs = dib8000_get_init_prbs(state, state->subchannel);
+
+ if (init_prbs) {
+ dib8000_set_subchannel_prbs(state, init_prbs);
*tune_state = CT_DEMOD_STEP_9;
} else {
*tune_state = CT_DEMOD_STOP;
diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c
index f86ae18bc104..ffaa4a91e571 100644
--- a/drivers/media/i2c/imx258.c
+++ b/drivers/media/i2c/imx258.c
@@ -22,7 +22,7 @@
#define IMX258_CHIP_ID 0x0258

/* V_TIMING internal */
-#define IMX258_VTS_30FPS 0x0c98
+#define IMX258_VTS_30FPS 0x0c50
#define IMX258_VTS_30FPS_2K 0x0638
#define IMX258_VTS_30FPS_VGA 0x034c
#define IMX258_VTS_MAX 0xffff
@@ -46,7 +46,7 @@
/* Analog gain control */
#define IMX258_REG_ANALOG_GAIN 0x0204
#define IMX258_ANA_GAIN_MIN 0
-#define IMX258_ANA_GAIN_MAX 0x1fff
+#define IMX258_ANA_GAIN_MAX 480
#define IMX258_ANA_GAIN_STEP 1
#define IMX258_ANA_GAIN_DEFAULT 0x0

diff --git a/drivers/media/i2c/tda1997x.c b/drivers/media/i2c/tda1997x.c
index 1088161498df..18a2027ba145 100644
--- a/drivers/media/i2c/tda1997x.c
+++ b/drivers/media/i2c/tda1997x.c
@@ -1695,14 +1695,15 @@ static int tda1997x_query_dv_timings(struct v4l2_subdev *sd,
struct v4l2_dv_timings *timings)
{
struct tda1997x_state *state = to_state(sd);
+ int ret;

v4l_dbg(1, debug, state->client, "%s\n", __func__);
memset(timings, 0, sizeof(struct v4l2_dv_timings));
mutex_lock(&state->lock);
- tda1997x_detect_std(state, timings);
+ ret = tda1997x_detect_std(state, timings);
mutex_unlock(&state->lock);

- return 0;
+ return ret;
}

static const struct v4l2_subdev_video_ops tda1997x_video_ops = {
diff --git a/drivers/media/platform/tegra-cec/tegra_cec.c b/drivers/media/platform/tegra-cec/tegra_cec.c
index a632602131f2..efb80a78d2fa 100644
--- a/drivers/media/platform/tegra-cec/tegra_cec.c
+++ b/drivers/media/platform/tegra-cec/tegra_cec.c
@@ -366,7 +366,11 @@ static int tegra_cec_probe(struct platform_device *pdev)
return -ENOENT;
}

- clk_prepare_enable(cec->clk);
+ ret = clk_prepare_enable(cec->clk);
+ if (ret) {
+ dev_err(&pdev->dev, "Unable to prepare clock for CEC\n");
+ return ret;
+ }

/* set context info. */
cec->dev = &pdev->dev;
@@ -446,9 +450,7 @@ static int tegra_cec_resume(struct platform_device *pdev)

dev_notice(&pdev->dev, "Resuming\n");

- clk_prepare_enable(cec->clk);
-
- return 0;
+ return clk_prepare_enable(cec->clk);
}
#endif

diff --git a/drivers/media/rc/rc-loopback.c b/drivers/media/rc/rc-loopback.c
index ef8b83b707df..13ab7312fa3b 100644
--- a/drivers/media/rc/rc-loopback.c
+++ b/drivers/media/rc/rc-loopback.c
@@ -42,7 +42,7 @@ static int loop_set_tx_mask(struct rc_dev *dev, u32 mask)

if ((mask & (RXMASK_REGULAR | RXMASK_LEARNING)) != mask) {
dprintk("invalid tx mask: %u\n", mask);
- return -EINVAL;
+ return 2;
}

dprintk("setting tx mask: %u\n", mask);
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index 7d60dd3b0bd8..db7f8f8ee2f9 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -894,8 +894,8 @@ static int uvc_ioctl_g_input(struct file *file, void *fh, unsigned int *input)
{
struct uvc_fh *handle = fh;
struct uvc_video_chain *chain = handle->chain;
+ u8 *buf;
int ret;
- u8 i;

if (chain->selector == NULL ||
(chain->dev->quirks & UVC_QUIRK_IGNORE_SELECTOR_UNIT)) {
@@ -903,22 +903,27 @@ static int uvc_ioctl_g_input(struct file *file, void *fh, unsigned int *input)
return 0;
}

+ buf = kmalloc(1, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, chain->selector->id,
chain->dev->intfnum, UVC_SU_INPUT_SELECT_CONTROL,
- &i, 1);
- if (ret < 0)
- return ret;
+ buf, 1);
+ if (!ret)
+ *input = *buf - 1;

- *input = i - 1;
- return 0;
+ kfree(buf);
+
+ return ret;
}

static int uvc_ioctl_s_input(struct file *file, void *fh, unsigned int input)
{
struct uvc_fh *handle = fh;
struct uvc_video_chain *chain = handle->chain;
+ u8 *buf;
int ret;
- u32 i;

ret = uvc_acquire_privileges(handle);
if (ret < 0)
@@ -934,10 +939,17 @@ static int uvc_ioctl_s_input(struct file *file, void *fh, unsigned int input)
if (input >= chain->selector->bNrInPins)
return -EINVAL;

- i = input + 1;
- return uvc_query_ctrl(chain->dev, UVC_SET_CUR, chain->selector->id,
- chain->dev->intfnum, UVC_SU_INPUT_SELECT_CONTROL,
- &i, 1);
+ buf = kmalloc(1, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ *buf = input + 1;
+ ret = uvc_query_ctrl(chain->dev, UVC_SET_CUR, chain->selector->id,
+ chain->dev->intfnum, UVC_SU_INPUT_SELECT_CONTROL,
+ buf, 1);
+ kfree(buf);
+
+ return ret;
}

static int uvc_ioctl_queryctrl(struct file *file, void *fh,
diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c
index 4f23e939ead0..60454e1b727e 100644
--- a/drivers/media/v4l2-core/v4l2-dv-timings.c
+++ b/drivers/media/v4l2-core/v4l2-dv-timings.c
@@ -196,7 +196,7 @@ bool v4l2_find_dv_timings_cap(struct v4l2_dv_timings *t,
if (!v4l2_valid_dv_timings(t, cap, fnc, fnc_handle))
return false;

- for (i = 0; i < v4l2_dv_timings_presets[i].bt.width; i++) {
+ for (i = 0; v4l2_dv_timings_presets[i].bt.width; i++) {
if (v4l2_valid_dv_timings(v4l2_dv_timings_presets + i, cap,
fnc, fnc_handle) &&
v4l2_match_dv_timings(t, v4l2_dv_timings_presets + i,
@@ -218,7 +218,7 @@ bool v4l2_find_dv_timings_cea861_vic(struct v4l2_dv_timings *t, u8 vic)
{
unsigned int i;

- for (i = 0; i < v4l2_dv_timings_presets[i].bt.width; i++) {
+ for (i = 0; v4l2_dv_timings_presets[i].bt.width; i++) {
const struct v4l2_bt_timings *bt =
&v4l2_dv_timings_presets[i].bt;

diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 3e9dc92cb467..842de1f352df 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -493,7 +493,7 @@ static int ab8500_handle_hierarchical_line(struct ab8500 *ab8500,
if (line == AB8540_INT_GPIO43F || line == AB8540_INT_GPIO44F)
line += 1;

- handle_nested_irq(irq_create_mapping(ab8500->domain, line));
+ handle_nested_irq(irq_find_mapping(ab8500->domain, line));
}

return 0;
diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index aa59496e4376..9db1000944c3 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -125,12 +125,13 @@ static const struct regmap_range axp288_writeable_ranges[] = {

static const struct regmap_range axp288_volatile_ranges[] = {
regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP288_POWER_REASON),
+ regmap_reg_range(AXP22X_PWR_OUT_CTRL1, AXP22X_ALDO3_V_OUT),
regmap_reg_range(AXP288_BC_GLOBAL, AXP288_BC_GLOBAL),
regmap_reg_range(AXP288_BC_DET_STAT, AXP20X_VBUS_IPSOUT_MGMT),
regmap_reg_range(AXP20X_CHRG_BAK_CTRL, AXP20X_CHRG_BAK_CTRL),
regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IPSOUT_V_HIGH_L),
regmap_reg_range(AXP20X_TIMER_CTRL, AXP20X_TIMER_CTRL),
- regmap_reg_range(AXP22X_GPIO_STATE, AXP22X_GPIO_STATE),
+ regmap_reg_range(AXP20X_GPIO1_CTRL, AXP22X_GPIO_STATE),
regmap_reg_range(AXP288_RT_BATT_V_H, AXP288_RT_BATT_V_L),
regmap_reg_range(AXP20X_FG_RES, AXP288_FG_CC_CAP_REG),
};
diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c
index dfac6afa82ca..f1f2ad9ff0b3 100644
--- a/drivers/mfd/db8500-prcmu.c
+++ b/drivers/mfd/db8500-prcmu.c
@@ -1695,22 +1695,20 @@ static long round_clock_rate(u8 clock, unsigned long rate)
}

static const unsigned long db8500_armss_freqs[] = {
- 200000000,
- 400000000,
- 800000000,
+ 199680000,
+ 399360000,
+ 798720000,
998400000
};

/* The DB8520 has slightly higher ARMSS max frequency */
static const unsigned long db8520_armss_freqs[] = {
- 200000000,
- 400000000,
- 800000000,
+ 199680000,
+ 399360000,
+ 798720000,
1152000000
};

-
-
static long round_armss_rate(unsigned long rate)
{
unsigned long freq = 0;
diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c
index 1aee3b3253fc..508349399f8a 100644
--- a/drivers/mfd/stmpe.c
+++ b/drivers/mfd/stmpe.c
@@ -1091,7 +1091,7 @@ static irqreturn_t stmpe_irq(int irq, void *data)

if (variant->id_val == STMPE801_ID ||
variant->id_val == STMPE1600_ID) {
- int base = irq_create_mapping(stmpe->domain, 0);
+ int base = irq_find_mapping(stmpe->domain, 0);

handle_nested_irq(base);
return IRQ_HANDLED;
@@ -1119,7 +1119,7 @@ static irqreturn_t stmpe_irq(int irq, void *data)
while (status) {
int bit = __ffs(status);
int line = bank * 8 + bit;
- int nestedirq = irq_create_mapping(stmpe->domain, line);
+ int nestedirq = irq_find_mapping(stmpe->domain, line);

handle_nested_irq(nestedirq);
status &= ~(1 << bit);
diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c
index 67c9995bb1aa..23cfbd050120 100644
--- a/drivers/mfd/tc3589x.c
+++ b/drivers/mfd/tc3589x.c
@@ -187,7 +187,7 @@ static irqreturn_t tc3589x_irq(int irq, void *data)

while (status) {
int bit = __ffs(status);
- int virq = irq_create_mapping(tc3589x->domain, bit);
+ int virq = irq_find_mapping(tc3589x->domain, bit);

handle_nested_irq(virq);
status &= ~(1 << bit);
diff --git a/drivers/mfd/tqmx86.c b/drivers/mfd/tqmx86.c
index 22d2f02d855c..ccc5a9ac788c 100644
--- a/drivers/mfd/tqmx86.c
+++ b/drivers/mfd/tqmx86.c
@@ -210,6 +210,8 @@ static int tqmx86_probe(struct platform_device *pdev)

/* Assumes the IRQ resource is first. */
tqmx_gpio_resources[0].start = gpio_irq;
+ } else {
+ tqmx_gpio_resources[0].flags = 0;
}

ocores_platfom_data.clock_khz = tqmx86_board_id_to_clk_rate(board_id);
diff --git a/drivers/mfd/wm8994-irq.c b/drivers/mfd/wm8994-irq.c
index 6c3a619e2628..651a028bc519 100644
--- a/drivers/mfd/wm8994-irq.c
+++ b/drivers/mfd/wm8994-irq.c
@@ -154,7 +154,7 @@ static irqreturn_t wm8994_edge_irq(int irq, void *data)
struct wm8994 *wm8994 = data;

while (gpio_get_value_cansleep(wm8994->pdata.irq_gpio))
- handle_nested_irq(irq_create_mapping(wm8994->edge_irq, 0));
+ handle_nested_irq(irq_find_mapping(wm8994->edge_irq, 0));

return IRQ_HANDLED;
}
diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.c b/drivers/misc/vmw_vmci/vmci_queue_pair.c
index c2338750313c..a49782dd903c 100644
--- a/drivers/misc/vmw_vmci/vmci_queue_pair.c
+++ b/drivers/misc/vmw_vmci/vmci_queue_pair.c
@@ -2238,7 +2238,8 @@ int vmci_qp_broker_map(struct vmci_handle handle,

result = VMCI_SUCCESS;

- if (context_id != VMCI_HOST_CONTEXT_ID) {
+ if (context_id != VMCI_HOST_CONTEXT_ID &&
+ !QPBROKERSTATE_HAS_MEM(entry)) {
struct vmci_qp_page_store page_store;

page_store.pages = guest_mem;
@@ -2345,7 +2346,8 @@ int vmci_qp_broker_unmap(struct vmci_handle handle,
goto out;
}

- if (context_id != VMCI_HOST_CONTEXT_ID) {
+ if (context_id != VMCI_HOST_CONTEXT_ID &&
+ QPBROKERSTATE_HAS_MEM(entry)) {
qp_acquire_queue_mutex(entry->produce_q);
result = qp_save_headers(entry);
if (result < VMCI_SUCCESS)
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 8322d22a59c4..e92f9373e227 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -591,6 +591,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
}

mmc_wait_for_req(card->host, &mrq);
+ memcpy(&idata->ic.response, cmd.resp, sizeof(cmd.resp));

if (cmd.error) {
dev_err(mmc_dev(card->host), "%s: cmd error %d\n",
@@ -640,8 +641,6 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
if (idata->ic.postsleep_min_us)
usleep_range(idata->ic.postsleep_min_us, idata->ic.postsleep_max_us);

- memcpy(&(idata->ic.response), cmd.resp, sizeof(cmd.resp));
-
if (idata->rpmb || (cmd.flags & MMC_RSP_R1B) == MMC_RSP_R1B) {
/*
* Ensure RPMB/R1B command has completed by polling CMD13
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index 11087976ab19..9ff718b61c72 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -539,9 +539,22 @@ static int sd_write_long_data(struct realtek_pci_sdmmc *host,
return 0;
}

+static inline void sd_enable_initial_mode(struct realtek_pci_sdmmc *host)
+{
+ rtsx_pci_write_register(host->pcr, SD_CFG1,
+ SD_CLK_DIVIDE_MASK, SD_CLK_DIVIDE_128);
+}
+
+static inline void sd_disable_initial_mode(struct realtek_pci_sdmmc *host)
+{
+ rtsx_pci_write_register(host->pcr, SD_CFG1,
+ SD_CLK_DIVIDE_MASK, SD_CLK_DIVIDE_0);
+}
+
static int sd_rw_multi(struct realtek_pci_sdmmc *host, struct mmc_request *mrq)
{
struct mmc_data *data = mrq->data;
+ int err;

if (host->sg_count < 0) {
data->error = host->sg_count;
@@ -550,22 +563,19 @@ static int sd_rw_multi(struct realtek_pci_sdmmc *host, struct mmc_request *mrq)
return data->error;
}

- if (data->flags & MMC_DATA_READ)
- return sd_read_long_data(host, mrq);
+ if (data->flags & MMC_DATA_READ) {
+ if (host->initial_mode)
+ sd_disable_initial_mode(host);

- return sd_write_long_data(host, mrq);
-}
+ err = sd_read_long_data(host, mrq);

-static inline void sd_enable_initial_mode(struct realtek_pci_sdmmc *host)
-{
- rtsx_pci_write_register(host->pcr, SD_CFG1,
- SD_CLK_DIVIDE_MASK, SD_CLK_DIVIDE_128);
-}
+ if (host->initial_mode)
+ sd_enable_initial_mode(host);

-static inline void sd_disable_initial_mode(struct realtek_pci_sdmmc *host)
-{
- rtsx_pci_write_register(host->pcr, SD_CFG1,
- SD_CLK_DIVIDE_MASK, SD_CLK_DIVIDE_0);
+ return err;
+ }
+
+ return sd_write_long_data(host, mrq);
}

static void sd_normal_rw(struct realtek_pci_sdmmc *host,
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 7023cbec4017..dd10f7abf5a7 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -192,7 +192,12 @@ static void sdhci_arasan_set_clock(struct sdhci_host *host, unsigned int clock)
* through low speeds without power cycling.
*/
sdhci_set_clock(host, host->max_clk);
- phy_power_on(sdhci_arasan->phy);
+ if (phy_power_on(sdhci_arasan->phy)) {
+ pr_err("%s: Cannot power on phy.\n",
+ mmc_hostname(host->mmc));
+ return;
+ }
+
sdhci_arasan->is_phy_on = true;

/*
@@ -228,7 +233,12 @@ static void sdhci_arasan_set_clock(struct sdhci_host *host, unsigned int clock)
msleep(20);

if (ctrl_phy) {
- phy_power_on(sdhci_arasan->phy);
+ if (phy_power_on(sdhci_arasan->phy)) {
+ pr_err("%s: Cannot power on phy.\n",
+ mmc_hostname(host->mmc));
+ return;
+ }
+
sdhci_arasan->is_phy_on = true;
}
}
@@ -416,7 +426,9 @@ static int sdhci_arasan_suspend(struct device *dev)
ret = phy_power_off(sdhci_arasan->phy);
if (ret) {
dev_err(dev, "Cannot power off phy.\n");
- sdhci_resume_host(host);
+ if (sdhci_resume_host(host))
+ dev_err(dev, "Cannot resume host.\n");
+
return ret;
}
sdhci_arasan->is_phy_on = false;
diff --git a/drivers/mtd/nand/raw/cafe_nand.c b/drivers/mtd/nand/raw/cafe_nand.c
index 2d1c22dc88c1..cc5009200cc2 100644
--- a/drivers/mtd/nand/raw/cafe_nand.c
+++ b/drivers/mtd/nand/raw/cafe_nand.c
@@ -757,7 +757,7 @@ static int cafe_nand_probe(struct pci_dev *pdev,
"CAFE NAND", mtd);
if (err) {
dev_warn(&pdev->dev, "Could not register IRQ %d\n", pdev->irq);
- goto out_ior;
+ goto out_free_rs;
}

/* Disable master reset, enable NAND clock */
@@ -801,6 +801,8 @@ static int cafe_nand_probe(struct pci_dev *pdev,
/* Disable NAND IRQ in global IRQ mask register */
cafe_writel(cafe, ~1 & cafe_readl(cafe, GLOBAL_IRQ_MASK), GLOBAL_IRQ_MASK);
free_irq(pdev->irq, mtd);
+ out_free_rs:
+ free_rs(cafe->rs);
out_ior:
pci_iounmap(pdev, cafe->mmio);
out_free_mtd:
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index e21643377162..1949f631e1bc 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1926,7 +1926,6 @@ static int __bond_release_one(struct net_device *bond_dev,
/* recompute stats just before removing the slave */
bond_get_stats(bond->dev, &bond->bond_stats);

- bond_upper_dev_unlink(bond, slave);
/* unregister rx_handler early so bond_handle_frame wouldn't be called
* for this slave anymore.
*/
@@ -1935,6 +1934,8 @@ static int __bond_release_one(struct net_device *bond_dev,
if (BOND_MODE(bond) == BOND_MODE_8023AD)
bond_3ad_unbind_slave(slave);

+ bond_upper_dev_unlink(bond, slave);
+
if (bond_mode_can_use_xmit_hash(bond))
bond_update_slave_arr(bond, slave);

diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index e78b683f7305..825d840cdb8c 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -2353,9 +2353,8 @@ static int b53_switch_init(struct b53_device *dev)
dev->cpu_port = 5;
}

- /* cpu port is always last */
- dev->num_ports = dev->cpu_port + 1;
dev->enabled_ports |= BIT(dev->cpu_port);
+ dev->num_ports = fls(dev->enabled_ports);

/* Include non standard CPU port built-in PHYs to be probed */
if (is539x(dev) || is531x5(dev)) {
diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c
index af3d56636a07..3225de0f655f 100644
--- a/drivers/net/dsa/lantiq_gswip.c
+++ b/drivers/net/dsa/lantiq_gswip.c
@@ -837,7 +837,8 @@ static int gswip_setup(struct dsa_switch *ds)

gswip_switch_mask(priv, 0, GSWIP_MAC_CTRL_2_MLEN,
GSWIP_MAC_CTRL_2p(cpu_port));
- gswip_switch_w(priv, VLAN_ETH_FRAME_LEN + 8, GSWIP_MAC_FLEN);
+ gswip_switch_w(priv, VLAN_ETH_FRAME_LEN + 8 + ETH_FCS_LEN,
+ GSWIP_MAC_FLEN);
gswip_switch_mask(priv, 0, GSWIP_BM_QUEUE_GCTRL_GL_MOD,
GSWIP_BM_QUEUE_GCTRL);

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index cf39623b828b..4630998d47fd 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -1246,7 +1246,7 @@ int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,

/* SR-IOV capability was enabled but there are no VFs*/
if (iov->total == 0) {
- err = -EINVAL;
+ err = 0;
goto failed;
}

diff --git a/drivers/net/ethernet/chelsio/cxgb/cxgb2.c b/drivers/net/ethernet/chelsio/cxgb/cxgb2.c
index 0ccdde366ae1..540d99f59226 100644
--- a/drivers/net/ethernet/chelsio/cxgb/cxgb2.c
+++ b/drivers/net/ethernet/chelsio/cxgb/cxgb2.c
@@ -1153,6 +1153,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!adapter->registered_device_map) {
pr_err("%s: could not register any net devices\n",
pci_name(pdev));
+ err = -EINVAL;
goto out_release_adapter_res;
}

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index e64e17516206..db9c8f943811 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -56,6 +56,7 @@ MODULE_PARM_DESC(debug, " Network interface message level setting");
#define HNS3_OUTER_VLAN_TAG 2

#define HNS3_MIN_TX_LEN 33U
+#define HNS3_MIN_TUN_PKT_LEN 65U

/* hns3_pci_tbl - PCI Device ID Table
*
@@ -931,8 +932,11 @@ static int hns3_set_l2l3l4(struct sk_buff *skb, u8 ol4_proto,
l4.tcp->doff);
break;
case IPPROTO_UDP:
- if (hns3_tunnel_csum_bug(skb))
- return skb_checksum_help(skb);
+ if (hns3_tunnel_csum_bug(skb)) {
+ int ret = skb_put_padto(skb, HNS3_MIN_TUN_PKT_LEN);
+
+ return ret ? ret : skb_checksum_help(skb);
+ }

hns3_set_field(*type_cs_vlan_tso, HNS3_TXD_L4CS_B, 1);
hns3_set_field(*type_cs_vlan_tso, HNS3_TXD_L4T_S,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index aa402e267121..f44e8401496b 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -1328,9 +1328,10 @@ static void hclge_init_kdump_kernel_config(struct hclge_dev *hdev)

static int hclge_configure(struct hclge_dev *hdev)
{
+ const struct cpumask *cpumask = cpu_online_mask;
struct hclge_cfg cfg;
unsigned int i;
- int ret;
+ int node, ret;

ret = hclge_get_cfg(hdev, &cfg);
if (ret) {
@@ -1390,11 +1391,12 @@ static int hclge_configure(struct hclge_dev *hdev)

hclge_init_kdump_kernel_config(hdev);

- /* Set the init affinity based on pci func number */
- i = cpumask_weight(cpumask_of_node(dev_to_node(&hdev->pdev->dev)));
- i = i ? PCI_FUNC(hdev->pdev->devfn) % i : 0;
- cpumask_set_cpu(cpumask_local_spread(i, dev_to_node(&hdev->pdev->dev)),
- &hdev->affinity_mask);
+ /* Set the affinity based on numa node */
+ node = dev_to_node(&hdev->pdev->dev);
+ if (node != NUMA_NO_NODE)
+ cpumask = cpumask_of_node(node);
+
+ cpumask_copy(&hdev->affinity_mask, cpumask);

return ret;
}
@@ -6683,11 +6685,12 @@ static void hclge_ae_stop(struct hnae3_handle *handle)
hclge_clear_arfs_rules(handle);
spin_unlock_bh(&hdev->fd_rule_lock);

- /* If it is not PF reset, the firmware will disable the MAC,
+ /* If it is not PF reset or FLR, the firmware will disable the MAC,
* so it only need to stop phy here.
*/
if (test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state) &&
- hdev->reset_type != HNAE3_FUNC_RESET) {
+ hdev->reset_type != HNAE3_FUNC_RESET &&
+ hdev->reset_type != HNAE3_FLR_RESET) {
hclge_mac_stop_phy(hdev);
hclge_update_link_status(hdev);
return;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index ea348ebbbf2e..db2e9dd5681e 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -1956,6 +1956,8 @@ static irqreturn_t hclgevf_misc_irq_handle(int irq, void *data)

hclgevf_enable_vector(&hdev->misc_vector, false);
event_cause = hclgevf_check_evt_cause(hdev, &clearval);
+ if (event_cause != HCLGEVF_VECTOR0_EVENT_OTHER)
+ hclgevf_clear_event_cause(hdev, clearval);

switch (event_cause) {
case HCLGEVF_VECTOR0_EVENT_RST:
@@ -1968,10 +1970,8 @@ static irqreturn_t hclgevf_misc_irq_handle(int irq, void *data)
break;
}

- if (event_cause != HCLGEVF_VECTOR0_EVENT_OTHER) {
- hclgevf_clear_event_cause(hdev, clearval);
+ if (event_cause != HCLGEVF_VECTOR0_EVENT_OTHER)
hclgevf_enable_vector(&hdev->misc_vector, true);
- }

return IRQ_HANDLED;
}
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index ecfe588f330e..cfe7229593ea 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -4277,6 +4277,14 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq,
return 0;
}

+ if (adapter->failover_pending) {
+ adapter->init_done_rc = -EAGAIN;
+ netdev_dbg(netdev, "Failover pending, ignoring login response\n");
+ complete(&adapter->init_done);
+ /* login response buffer will be released on reset */
+ return 0;
+ }
+
netdev->mtu = adapter->req_mtu - ETH_HLEN;

netdev_dbg(adapter->netdev, "Login Response Buffer:\n");
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index 94a3f000e999..bc46c262b42d 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -142,6 +142,30 @@ enum iavf_status iavf_free_virt_mem_d(struct iavf_hw *hw,
return 0;
}

+/**
+ * iavf_lock_timeout - try to set bit but give up after timeout
+ * @adapter: board private structure
+ * @bit: bit to set
+ * @msecs: timeout in msecs
+ *
+ * Returns 0 on success, negative on failure
+ **/
+static int iavf_lock_timeout(struct iavf_adapter *adapter,
+ enum iavf_critical_section_t bit,
+ unsigned int msecs)
+{
+ unsigned int wait, delay = 10;
+
+ for (wait = 0; wait < msecs; wait += delay) {
+ if (!test_and_set_bit(bit, &adapter->crit_section))
+ return 0;
+
+ msleep(delay);
+ }
+
+ return -1;
+}
+
/**
* iavf_schedule_reset - Set the flags and schedule a reset event
* @adapter: board private structure
@@ -1961,7 +1985,6 @@ static void iavf_watchdog_task(struct work_struct *work)
/* check for hw reset */
reg_val = rd32(hw, IAVF_VF_ARQLEN1) & IAVF_VF_ARQLEN1_ARQENABLE_MASK;
if (!reg_val) {
- adapter->state = __IAVF_RESETTING;
adapter->flags |= IAVF_FLAG_RESET_PENDING;
adapter->aq_required = 0;
adapter->current_op = VIRTCHNL_OP_UNKNOWN;
@@ -2077,6 +2100,10 @@ static void iavf_reset_task(struct work_struct *work)
if (test_bit(__IAVF_IN_REMOVE_TASK, &adapter->crit_section))
return;

+ if (iavf_lock_timeout(adapter, __IAVF_IN_CRITICAL_TASK, 200)) {
+ schedule_work(&adapter->reset_task);
+ return;
+ }
while (test_and_set_bit(__IAVF_IN_CLIENT_TASK,
&adapter->crit_section))
usleep_range(500, 1000);
@@ -2291,6 +2318,8 @@ static void iavf_adminq_task(struct work_struct *work)
if (!event.msg_buf)
goto out;

+ if (iavf_lock_timeout(adapter, __IAVF_IN_CRITICAL_TASK, 200))
+ goto freedom;
do {
ret = iavf_clean_arq_element(hw, &event, &pending);
v_op = (enum virtchnl_ops)le32_to_cpu(event.desc.cookie_high);
@@ -2304,6 +2333,7 @@ static void iavf_adminq_task(struct work_struct *work)
if (pending != 0)
memset(event.msg_buf, 0, IAVF_MAX_AQ_BUF_SIZE);
} while (pending);
+ clear_bit(__IAVF_IN_CRITICAL_TASK, &adapter->crit_section);

if ((adapter->flags &
(IAVF_FLAG_RESET_PENDING | IAVF_FLAG_RESET_NEEDED)) ||
@@ -3600,6 +3630,10 @@ static void iavf_init_task(struct work_struct *work)
init_task.work);
struct iavf_hw *hw = &adapter->hw;

+ if (iavf_lock_timeout(adapter, __IAVF_IN_CRITICAL_TASK, 5000)) {
+ dev_warn(&adapter->pdev->dev, "failed to set __IAVF_IN_CRITICAL_TASK in %s\n", __FUNCTION__);
+ return;
+ }
switch (adapter->state) {
case __IAVF_STARTUP:
if (iavf_startup(adapter) < 0)
@@ -3612,14 +3646,14 @@ static void iavf_init_task(struct work_struct *work)
case __IAVF_INIT_GET_RESOURCES:
if (iavf_init_get_resources(adapter) < 0)
goto init_failed;
- return;
+ goto out;
default:
goto init_failed;
}

queue_delayed_work(iavf_wq, &adapter->init_task,
msecs_to_jiffies(30));
- return;
+ goto out;
init_failed:
if (++adapter->aq_wait_count > IAVF_AQ_MAX_ERR) {
dev_err(&adapter->pdev->dev,
@@ -3628,9 +3662,11 @@ static void iavf_init_task(struct work_struct *work)
iavf_shutdown_adminq(hw);
adapter->state = __IAVF_STARTUP;
queue_delayed_work(iavf_wq, &adapter->init_task, HZ * 5);
- return;
+ goto out;
}
queue_delayed_work(iavf_wq, &adapter->init_task, HZ);
+out:
+ clear_bit(__IAVF_IN_CRITICAL_TASK, &adapter->crit_section);
}

/**
@@ -3647,9 +3683,12 @@ static void iavf_shutdown(struct pci_dev *pdev)
if (netif_running(netdev))
iavf_close(netdev);

+ if (iavf_lock_timeout(adapter, __IAVF_IN_CRITICAL_TASK, 5000))
+ dev_warn(&adapter->pdev->dev, "failed to set __IAVF_IN_CRITICAL_TASK in %s\n", __FUNCTION__);
/* Prevent the watchdog from running. */
adapter->state = __IAVF_REMOVE;
adapter->aq_required = 0;
+ clear_bit(__IAVF_IN_CRITICAL_TASK, &adapter->crit_section);

#ifdef CONFIG_PM
pci_save_state(pdev);
@@ -3878,10 +3917,6 @@ static void iavf_remove(struct pci_dev *pdev)
err);
}

- /* Shut down all the garbage mashers on the detention level */
- adapter->state = __IAVF_REMOVE;
- adapter->aq_required = 0;
- adapter->flags &= ~IAVF_FLAG_REINIT_ITR_NEEDED;
iavf_request_reset(adapter);
msleep(50);
/* If the FW isn't responding, kick it once, but only once. */
@@ -3889,6 +3924,13 @@ static void iavf_remove(struct pci_dev *pdev)
iavf_request_reset(adapter);
msleep(50);
}
+ if (iavf_lock_timeout(adapter, __IAVF_IN_CRITICAL_TASK, 5000))
+ dev_warn(&adapter->pdev->dev, "failed to set __IAVF_IN_CRITICAL_TASK in %s\n", __FUNCTION__);
+
+ /* Shut down all the garbage mashers on the detention level */
+ adapter->state = __IAVF_REMOVE;
+ adapter->aq_required = 0;
+ adapter->flags &= ~IAVF_FLAG_REINIT_ITR_NEEDED;
iavf_free_all_tx_resources(adapter);
iavf_free_all_rx_resources(adapter);
iavf_misc_irq_disable(adapter);
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 084cf4a4114a..9ba05d9aa8e0 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -2693,6 +2693,7 @@ static irqreturn_t igc_msix_ring(int irq, void *data)
*/
static int igc_request_msix(struct igc_adapter *adapter)
{
+ unsigned int num_q_vectors = adapter->num_q_vectors;
int i = 0, err = 0, vector = 0, free_vector = 0;
struct net_device *netdev = adapter->netdev;

@@ -2701,7 +2702,13 @@ static int igc_request_msix(struct igc_adapter *adapter)
if (err)
goto err_out;

- for (i = 0; i < adapter->num_q_vectors; i++) {
+ if (num_q_vectors > MAX_Q_VECTORS) {
+ num_q_vectors = MAX_Q_VECTORS;
+ dev_warn(&adapter->pdev->dev,
+ "The number of queue vectors (%d) is higher than max allowed (%d)\n",
+ adapter->num_q_vectors, MAX_Q_VECTORS);
+ }
+ for (i = 0; i < num_q_vectors; i++) {
struct igc_q_vector *q_vector = adapter->q_vector[i];

vector++;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 76547d35cd0e..bf091a6c0cd2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -865,7 +865,7 @@ static void cb_timeout_handler(struct work_struct *work)
ent->ret = -ETIMEDOUT;
mlx5_core_warn(dev, "cmd[%d]: %s(0x%x) Async, timeout. Will cause a leak of a command resource\n",
ent->idx, mlx5_command_str(msg_to_opcode(ent->in)), msg_to_opcode(ent->in));
- mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true);
+ mlx5_cmd_comp_handler(dev, 1ULL << ent->idx, true);

out:
cmd_ent_put(ent); /* for the cmd_ent_get() took on schedule delayed work */
@@ -977,7 +977,7 @@ static void cmd_work_handler(struct work_struct *work)
MLX5_SET(mbox_out, ent->out, status, status);
MLX5_SET(mbox_out, ent->out, syndrome, drv_synd);

- mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true);
+ mlx5_cmd_comp_handler(dev, 1ULL << ent->idx, true);
return;
}

@@ -991,7 +991,7 @@ static void cmd_work_handler(struct work_struct *work)
poll_timeout(ent);
/* make sure we read the descriptor after ownership is SW */
rmb();
- mlx5_cmd_comp_handler(dev, 1UL << ent->idx, (ent->ret == -ETIMEDOUT));
+ mlx5_cmd_comp_handler(dev, 1ULL << ent->idx, (ent->ret == -ETIMEDOUT));
}
}

@@ -1051,7 +1051,7 @@ static void wait_func_handle_exec_timeout(struct mlx5_core_dev *dev,
mlx5_command_str(msg_to_opcode(ent->in)), msg_to_opcode(ent->in));

ent->ret = -ETIMEDOUT;
- mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true);
+ mlx5_cmd_comp_handler(dev, 1ULL << ent->idx, true);
}

static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
index dc36b0db3722..97359417c6e7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
@@ -1005,7 +1005,7 @@ int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer)
err = mlx5_core_alloc_pd(dev, &tracer->buff.pdn);
if (err) {
mlx5_core_warn(dev, "FWTracer: Failed to allocate PD %d\n", err);
- return err;
+ goto err_cancel_work;
}

err = mlx5_fw_tracer_create_mkey(tracer);
@@ -1029,6 +1029,7 @@ int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer)
mlx5_core_destroy_mkey(dev, &tracer->buff.mkey);
err_dealloc_pd:
mlx5_core_dealloc_pd(dev, tracer->buff.pdn);
+err_cancel_work:
cancel_work_sync(&tracer->read_fw_strings_work);
return err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 739bf5dc5a25..5fe4e028567a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1606,9 +1606,9 @@ static int build_match_list(struct match_list_head *match_head,

curr_match = kmalloc(sizeof(*curr_match), GFP_ATOMIC);
if (!curr_match) {
+ rcu_read_unlock();
free_match_list(match_head, ft_locked);
- err = -ENOMEM;
- goto out;
+ return -ENOMEM;
}
if (!tree_get_node(&g->node)) {
kfree(curr_match);
@@ -1617,7 +1617,6 @@ static int build_match_list(struct match_list_head *match_head,
curr_match->g = g;
list_add_tail(&curr_match->list, &match_head->list);
}
-out:
rcu_read_unlock();
return err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
index f012aac83b10..401564b94eb1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
@@ -603,6 +603,7 @@ static int dr_cmd_modify_qp_rtr2rts(struct mlx5_core_dev *mdev,
MLX5_SET(qpc, qpc, log_ack_req_freq, 0);
MLX5_SET(qpc, qpc, retry_count, attr->retry_cnt);
MLX5_SET(qpc, qpc, rnr_retry, attr->rnr_retry);
+ MLX5_SET(qpc, qpc, primary_address_path.ack_timeout, 0x8); /* ~1ms */

return mlx5_core_qp_modify(mdev, MLX5_CMD_OP_RTR2RTS_QP, 0, qpc,
&dr_qp->mqp);
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index 5d85ae59bc51..3769b15b04b3 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -3173,6 +3173,7 @@ qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
struct qed_nvm_image_att *p_image_att)
{
enum nvm_image_type type;
+ int rc;
u32 i;

/* Translate image_id into MFW definitions */
@@ -3198,7 +3199,10 @@ qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn,
return -EINVAL;
}

- qed_mcp_nvm_info_populate(p_hwfn);
+ rc = qed_mcp_nvm_info_populate(p_hwfn);
+ if (rc)
+ return rc;
+
for (i = 0; i < p_hwfn->nvm_info.num_images; i++)
if (type == p_hwfn->nvm_info.image_att[i].image_type)
break;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c
index c48a0e2d4d7e..6a009d51ec51 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c
@@ -440,7 +440,6 @@ int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter)
QLCWR32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, 1);
msleep(20);

- qlcnic_rom_unlock(adapter);
/* big hammer don't reset CAM block on reset */
QLCWR32(adapter, QLCNIC_ROMUSB_GLB_SW_RESET, 0xfeffffff);

diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c
index 274e5b4bc4ac..f158fdf3aab2 100644
--- a/drivers/net/ethernet/rdc/r6040.c
+++ b/drivers/net/ethernet/rdc/r6040.c
@@ -119,6 +119,8 @@
#define PHY_ST 0x8A /* PHY status register */
#define MAC_SM 0xAC /* MAC status machine */
#define MAC_SM_RST 0x0002 /* MAC status machine reset */
+#define MD_CSC 0xb6 /* MDC speed control register */
+#define MD_CSC_DEFAULT 0x0030
#define MAC_ID 0xBE /* Identifier register */

#define TX_DCNT 0x80 /* TX descriptor count */
@@ -354,8 +356,9 @@ static void r6040_reset_mac(struct r6040_private *lp)
{
void __iomem *ioaddr = lp->base;
int limit = MAC_DEF_TIMEOUT;
- u16 cmd;
+ u16 cmd, md_csc;

+ md_csc = ioread16(ioaddr + MD_CSC);
iowrite16(MAC_RST, ioaddr + MCR1);
while (limit--) {
cmd = ioread16(ioaddr + MCR1);
@@ -367,6 +370,10 @@ static void r6040_reset_mac(struct r6040_private *lp)
iowrite16(MAC_SM_RST, ioaddr + MAC_SM);
iowrite16(0, ioaddr + MAC_SM);
mdelay(5);
+
+ /* Restore MDIO clock frequency */
+ if (md_csc != MD_CSC_DEFAULT)
+ iowrite16(md_csc, ioaddr + MD_CSC);
}

static void r6040_init_mac_regs(struct net_device *dev)
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 931a44fe7afe..50d85d037230 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -2567,6 +2567,7 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
else
txdesc->status |= cpu_to_le32(TD_TACT);

+ wmb(); /* cur_tx must be incremented after TACT bit was set */
mdp->cur_tx++;

if (!(sh_eth_read(ndev, EDTRR) & mdp->cd->edtrr_trns))
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
index 0f56f8e33691..03b11f191c26 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
@@ -288,10 +288,7 @@ static int ipq806x_gmac_probe(struct platform_device *pdev)
val &= ~NSS_COMMON_GMAC_CTL_PHY_IFACE_SEL;
break;
default:
- dev_err(&pdev->dev, "Unsupported PHY mode: \"%s\"\n",
- phy_modes(gmac->phy_mode));
- err = -EINVAL;
- goto err_remove_config_dt;
+ goto err_unsupported_phy;
}
regmap_write(gmac->nss_common, NSS_COMMON_GMAC_CTL(gmac->id), val);

@@ -308,10 +305,7 @@ static int ipq806x_gmac_probe(struct platform_device *pdev)
NSS_COMMON_CLK_SRC_CTRL_OFFSET(gmac->id);
break;
default:
- dev_err(&pdev->dev, "Unsupported PHY mode: \"%s\"\n",
- phy_modes(gmac->phy_mode));
- err = -EINVAL;
- goto err_remove_config_dt;
+ goto err_unsupported_phy;
}
regmap_write(gmac->nss_common, NSS_COMMON_CLK_SRC_CTRL, val);

@@ -328,8 +322,7 @@ static int ipq806x_gmac_probe(struct platform_device *pdev)
NSS_COMMON_CLK_GATE_GMII_TX_EN(gmac->id);
break;
default:
- /* We don't get here; the switch above will have errored out */
- unreachable();
+ goto err_unsupported_phy;
}
regmap_write(gmac->nss_common, NSS_COMMON_CLK_GATE, val);

@@ -360,6 +353,11 @@ static int ipq806x_gmac_probe(struct platform_device *pdev)

return 0;

+err_unsupported_phy:
+ dev_err(&pdev->dev, "Unsupported PHY mode: \"%s\"\n",
+ phy_modes(gmac->phy_mode));
+ err = -EINVAL;
+
err_remove_config_dt:
stmmac_remove_config_dt(pdev, plat_dat);

diff --git a/drivers/net/ethernet/wiznet/w5100.c b/drivers/net/ethernet/wiznet/w5100.c
index bede1ff289c5..a65b7291e12a 100644
--- a/drivers/net/ethernet/wiznet/w5100.c
+++ b/drivers/net/ethernet/wiznet/w5100.c
@@ -1052,6 +1052,8 @@ static int w5100_mmio_probe(struct platform_device *pdev)
mac_addr = data->mac_addr;

mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem)
+ return -EINVAL;
if (resource_size(mem) < W5100_BUS_DIRECT_SIZE)
ops = &w5100_mmio_indirect_ops;
else
diff --git a/drivers/net/phy/dp83640_reg.h b/drivers/net/phy/dp83640_reg.h
index 21aa24c741b9..daae7fa58fb8 100644
--- a/drivers/net/phy/dp83640_reg.h
+++ b/drivers/net/phy/dp83640_reg.h
@@ -5,7 +5,7 @@
#ifndef HAVE_DP83640_REGISTERS
#define HAVE_DP83640_REGISTERS

-#define PAGE0 0x0000
+/* #define PAGE0 0x0000 */
#define PHYCR2 0x001c /* PHY Control Register 2 */

#define PAGE4 0x0004
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index eb100eb33de3..77ac5a721e7b 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -653,6 +653,11 @@ static const struct usb_device_id mbim_devs[] = {
.driver_info = (unsigned long)&cdc_mbim_info_avoid_altsetting_toggle,
},

+ /* Telit LN920 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x1bc7, 0x1061, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&cdc_mbim_info_avoid_altsetting_toggle,
+ },
+
/* default entry */
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&cdc_mbim_info_zlp,
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index b4885a700296..b0a4ca3559fd 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -3351,7 +3351,8 @@ static int ar9300_eeprom_restore_internal(struct ath_hw *ah,
"Found block at %x: code=%d ref=%d length=%d major=%d minor=%d\n",
cptr, code, reference, length, major, minor);
if ((!AR_SREV_9485(ah) && length >= 1024) ||
- (AR_SREV_9485(ah) && length > EEPROM_DATA_LEN_9485)) {
+ (AR_SREV_9485(ah) && length > EEPROM_DATA_LEN_9485) ||
+ (length > cptr)) {
ath_dbg(common, EEPROM, "Skipping bad header\n");
cptr -= COMP_HDR_LEN;
continue;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 9fd8e64288ff..7e2e22b6bbbc 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1622,7 +1622,6 @@ static void ath9k_hw_apply_gpio_override(struct ath_hw *ah)
ath9k_hw_gpio_request_out(ah, i, NULL,
AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
ath9k_hw_set_gpio(ah, i, !!(ah->gpio_val & BIT(i)));
- ath9k_hw_gpio_free(ah, i);
}
}

@@ -2730,14 +2729,17 @@ static void ath9k_hw_gpio_cfg_output_mux(struct ath_hw *ah, u32 gpio, u32 type)
static void ath9k_hw_gpio_cfg_soc(struct ath_hw *ah, u32 gpio, bool out,
const char *label)
{
+ int err;
+
if (ah->caps.gpio_requested & BIT(gpio))
return;

- /* may be requested by BSP, free anyway */
- gpio_free(gpio);
-
- if (gpio_request_one(gpio, out ? GPIOF_OUT_INIT_LOW : GPIOF_IN, label))
+ err = gpio_request_one(gpio, out ? GPIOF_OUT_INIT_LOW : GPIOF_IN, label);
+ if (err) {
+ ath_err(ath9k_hw_common(ah), "request GPIO%d failed:%d\n",
+ gpio, err);
return;
+ }

ah->caps.gpio_requested |= BIT(gpio);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
index 9c417dd06291..7736621dca65 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
@@ -1043,8 +1043,10 @@ int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm,
return -ENOMEM;

#ifdef CONFIG_IWLWIFI_DEBUGFS
- if (mvm->beacon_inject_active)
+ if (mvm->beacon_inject_active) {
+ dev_kfree_skb(beacon);
return -EBUSY;
+ }
#endif

ret = iwl_mvm_mac_ctxt_send_beacon(mvm, vif, beacon);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 09b1a6beee77..081cbc9ec736 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -2970,16 +2970,20 @@ static void iwl_mvm_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy,
void *_data)
{
struct iwl_mvm_he_obss_narrow_bw_ru_data *data = _data;
+ const struct cfg80211_bss_ies *ies;
const struct element *elem;

- elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, bss->ies->data,
- bss->ies->len);
+ rcu_read_lock();
+ ies = rcu_dereference(bss->ies);
+ elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY, ies->data,
+ ies->len);

if (!elem || elem->datalen < 10 ||
!(elem->data[10] &
WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT)) {
data->tolerated = false;
}
+ rcu_read_unlock();
}

static void iwl_mvm_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 8b0576cde797..a9aab6c690e8 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -687,10 +687,26 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,

mvm->fw_restart = iwlwifi_mod_params.fw_restart ? -1 : 0;

- mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
- mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
- mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
- mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
+ if (iwl_mvm_has_new_tx_api(mvm)) {
+ /*
+ * If we have the new TX/queue allocation API initialize them
+ * all to invalid numbers. We'll rewrite the ones that we need
+ * later, but that doesn't happen for all of them all of the
+ * time (e.g. P2P Device is optional), and if a dynamic queue
+ * ends up getting number 2 (IWL_MVM_DQA_P2P_DEVICE_QUEUE) then
+ * iwl_mvm_is_static_queue() erroneously returns true, and we
+ * might have things getting stuck.
+ */
+ mvm->aux_queue = IWL_MVM_INVALID_QUEUE;
+ mvm->snif_queue = IWL_MVM_INVALID_QUEUE;
+ mvm->probe_queue = IWL_MVM_INVALID_QUEUE;
+ mvm->p2p_dev_queue = IWL_MVM_INVALID_QUEUE;
+ } else {
+ mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE;
+ mvm->snif_queue = IWL_MVM_DQA_INJECT_MONITOR_QUEUE;
+ mvm->probe_queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE;
+ mvm->p2p_dev_queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE;
+ }

mvm->sf_state = SF_UNINIT;
if (iwl_mvm_has_unified_ucode(mvm))
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index 40cafcf40ccf..5df4bbb6c6de 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -346,8 +346,9 @@ static int iwl_mvm_invalidate_sta_queue(struct iwl_mvm *mvm, int queue,
}

static int iwl_mvm_disable_txq(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
- int queue, u8 tid, u8 flags)
+ u16 *queueptr, u8 tid, u8 flags)
{
+ int queue = *queueptr;
struct iwl_scd_txq_cfg_cmd cmd = {
.scd_queue = queue,
.action = SCD_CFG_DISABLE_QUEUE,
@@ -356,6 +357,7 @@ static int iwl_mvm_disable_txq(struct iwl_mvm *mvm, struct ieee80211_sta *sta,

if (iwl_mvm_has_new_tx_api(mvm)) {
iwl_trans_txq_free(mvm->trans, queue);
+ *queueptr = IWL_MVM_INVALID_QUEUE;

return 0;
}
@@ -517,6 +519,7 @@ static int iwl_mvm_free_inactive_queue(struct iwl_mvm *mvm, int queue,
u8 sta_id, tid;
unsigned long disable_agg_tids = 0;
bool same_sta;
+ u16 queue_tmp = queue;
int ret;

lockdep_assert_held(&mvm->mutex);
@@ -539,7 +542,7 @@ static int iwl_mvm_free_inactive_queue(struct iwl_mvm *mvm, int queue,
iwl_mvm_invalidate_sta_queue(mvm, queue,
disable_agg_tids, false);

- ret = iwl_mvm_disable_txq(mvm, old_sta, queue, tid, 0);
+ ret = iwl_mvm_disable_txq(mvm, old_sta, &queue_tmp, tid, 0);
if (ret) {
IWL_ERR(mvm,
"Failed to free inactive queue %d (ret=%d)\n",
@@ -1209,6 +1212,7 @@ static int iwl_mvm_sta_alloc_queue(struct iwl_mvm *mvm,
unsigned int wdg_timeout =
iwl_mvm_get_wd_timeout(mvm, mvmsta->vif, false, false);
int queue = -1;
+ u16 queue_tmp;
unsigned long disable_agg_tids = 0;
enum iwl_mvm_agg_state queue_state;
bool shared_queue = false, inc_ssn;
@@ -1357,7 +1361,8 @@ static int iwl_mvm_sta_alloc_queue(struct iwl_mvm *mvm,
return 0;

out_err:
- iwl_mvm_disable_txq(mvm, sta, queue, tid, 0);
+ queue_tmp = queue;
+ iwl_mvm_disable_txq(mvm, sta, &queue_tmp, tid, 0);

return ret;
}
@@ -1795,7 +1800,7 @@ static void iwl_mvm_disable_sta_queues(struct iwl_mvm *mvm,
if (mvm_sta->tid_data[i].txq_id == IWL_MVM_INVALID_QUEUE)
continue;

- iwl_mvm_disable_txq(mvm, sta, mvm_sta->tid_data[i].txq_id, i,
+ iwl_mvm_disable_txq(mvm, sta, &mvm_sta->tid_data[i].txq_id, i,
0);
mvm_sta->tid_data[i].txq_id = IWL_MVM_INVALID_QUEUE;
}
@@ -2005,7 +2010,7 @@ static int iwl_mvm_add_int_sta_with_queue(struct iwl_mvm *mvm, int macidx,
ret = iwl_mvm_add_int_sta_common(mvm, sta, NULL, macidx, maccolor);
if (ret) {
if (!iwl_mvm_has_new_tx_api(mvm))
- iwl_mvm_disable_txq(mvm, NULL, *queue,
+ iwl_mvm_disable_txq(mvm, NULL, queue,
IWL_MAX_TID_COUNT, 0);
return ret;
}
@@ -2073,7 +2078,7 @@ int iwl_mvm_rm_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
if (WARN_ON_ONCE(mvm->snif_sta.sta_id == IWL_MVM_INVALID_STA))
return -EINVAL;

- iwl_mvm_disable_txq(mvm, NULL, mvm->snif_queue, IWL_MAX_TID_COUNT, 0);
+ iwl_mvm_disable_txq(mvm, NULL, &mvm->snif_queue, IWL_MAX_TID_COUNT, 0);
ret = iwl_mvm_rm_sta_common(mvm, mvm->snif_sta.sta_id);
if (ret)
IWL_WARN(mvm, "Failed sending remove station\n");
@@ -2090,7 +2095,7 @@ int iwl_mvm_rm_aux_sta(struct iwl_mvm *mvm)
if (WARN_ON_ONCE(mvm->aux_sta.sta_id == IWL_MVM_INVALID_STA))
return -EINVAL;

- iwl_mvm_disable_txq(mvm, NULL, mvm->aux_queue, IWL_MAX_TID_COUNT, 0);
+ iwl_mvm_disable_txq(mvm, NULL, &mvm->aux_queue, IWL_MAX_TID_COUNT, 0);
ret = iwl_mvm_rm_sta_common(mvm, mvm->aux_sta.sta_id);
if (ret)
IWL_WARN(mvm, "Failed sending remove station\n");
@@ -2186,7 +2191,7 @@ static void iwl_mvm_free_bcast_sta_queues(struct iwl_mvm *mvm,
struct ieee80211_vif *vif)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- int queue;
+ u16 *queueptr, queue;

lockdep_assert_held(&mvm->mutex);

@@ -2195,10 +2200,10 @@ static void iwl_mvm_free_bcast_sta_queues(struct iwl_mvm *mvm,
switch (vif->type) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_ADHOC:
- queue = mvm->probe_queue;
+ queueptr = &mvm->probe_queue;
break;
case NL80211_IFTYPE_P2P_DEVICE:
- queue = mvm->p2p_dev_queue;
+ queueptr = &mvm->p2p_dev_queue;
break;
default:
WARN(1, "Can't free bcast queue on vif type %d\n",
@@ -2206,7 +2211,8 @@ static void iwl_mvm_free_bcast_sta_queues(struct iwl_mvm *mvm,
return;
}

- iwl_mvm_disable_txq(mvm, NULL, queue, IWL_MAX_TID_COUNT, 0);
+ queue = *queueptr;
+ iwl_mvm_disable_txq(mvm, NULL, queueptr, IWL_MAX_TID_COUNT, 0);
if (iwl_mvm_has_new_tx_api(mvm))
return;

@@ -2441,7 +2447,7 @@ int iwl_mvm_rm_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)

iwl_mvm_flush_sta(mvm, &mvmvif->mcast_sta, true, 0);

- iwl_mvm_disable_txq(mvm, NULL, mvmvif->cab_queue, 0, 0);
+ iwl_mvm_disable_txq(mvm, NULL, &mvmvif->cab_queue, 0, 0);

ret = iwl_mvm_rm_sta_common(mvm, mvmvif->mcast_sta.sta_id);
if (ret)
diff --git a/drivers/ntb/test/ntb_msi_test.c b/drivers/ntb/test/ntb_msi_test.c
index 99d826ed9c34..662067dc9ce2 100644
--- a/drivers/ntb/test/ntb_msi_test.c
+++ b/drivers/ntb/test/ntb_msi_test.c
@@ -372,8 +372,10 @@ static int ntb_msit_probe(struct ntb_client *client, struct ntb_dev *ntb)
if (ret)
goto remove_dbgfs;

- if (!nm->isr_ctx)
+ if (!nm->isr_ctx) {
+ ret = -ENOMEM;
goto remove_dbgfs;
+ }

ntb_link_enable(ntb, NTB_SPEED_AUTO, NTB_WIDTH_AUTO);

diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c
index 5ce4766a6c9e..251fe75798c1 100644
--- a/drivers/ntb/test/ntb_perf.c
+++ b/drivers/ntb/test/ntb_perf.c
@@ -597,6 +597,7 @@ static int perf_setup_inbuf(struct perf_peer *peer)
return -ENOMEM;
}
if (!IS_ALIGNED(peer->inbuf_xlat, xlat_align)) {
+ ret = -EINVAL;
dev_err(&perf->ntb->dev, "Unaligned inbuf allocated\n");
goto err_free_inbuf;
}
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index f6427a10a990..38bbbbbc6f47 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -642,17 +642,9 @@ static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb,
unsigned int *offset, size_t *len)
{
struct nvme_tcp_data_pdu *pdu = (void *)queue->pdu;
- struct nvme_tcp_request *req;
- struct request *rq;
-
- rq = blk_mq_tag_to_rq(nvme_tcp_tagset(queue), pdu->command_id);
- if (!rq) {
- dev_err(queue->ctrl->ctrl.device,
- "queue %d tag %#x not found\n",
- nvme_tcp_queue_id(queue), pdu->command_id);
- return -ENOENT;
- }
- req = blk_mq_rq_to_pdu(rq);
+ struct request *rq =
+ blk_mq_tag_to_rq(nvme_tcp_tagset(queue), pdu->command_id);
+ struct nvme_tcp_request *req = blk_mq_rq_to_pdu(rq);

while (true) {
int recv_len, ret;
diff --git a/drivers/of/kobj.c b/drivers/of/kobj.c
index a32e60b024b8..6675b5e56960 100644
--- a/drivers/of/kobj.c
+++ b/drivers/of/kobj.c
@@ -119,7 +119,7 @@ int __of_attach_node_sysfs(struct device_node *np)
struct property *pp;
int rc;

- if (!of_kset)
+ if (!IS_ENABLED(CONFIG_SYSFS) || !of_kset)
return 0;

np->kobj.kset = of_kset;
diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index 603c688fe23d..30cc407c8f93 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -95,15 +95,7 @@ static struct dev_pm_opp *_find_opp_of_np(struct opp_table *opp_table,
static struct device_node *of_parse_required_opp(struct device_node *np,
int index)
{
- struct device_node *required_np;
-
- required_np = of_parse_phandle(np, "required-opps", index);
- if (unlikely(!required_np)) {
- pr_err("%s: Unable to parse required-opps: %pOF, index: %d\n",
- __func__, np, index);
- }
-
- return required_np;
+ return of_parse_phandle(np, "required-opps", index);
}

/* The caller must call dev_pm_opp_put_opp_table() after the table is used */
@@ -996,7 +988,7 @@ int of_get_required_opp_performance_state(struct device_node *np, int index)

required_np = of_parse_required_opp(np, index);
if (!required_np)
- return -EINVAL;
+ return -ENODEV;

opp_table = _find_table_of_opp_np(required_np);
if (IS_ERR(opp_table)) {
diff --git a/drivers/parport/ieee1284_ops.c b/drivers/parport/ieee1284_ops.c
index 5d41dda6da4e..75daa16f38b7 100644
--- a/drivers/parport/ieee1284_ops.c
+++ b/drivers/parport/ieee1284_ops.c
@@ -535,7 +535,7 @@ size_t parport_ieee1284_ecp_read_data (struct parport *port,
goto out;

/* Yield the port for a while. */
- if (count && dev->port->irq != PARPORT_IRQ_NONE) {
+ if (dev->port->irq != PARPORT_IRQ_NONE) {
parport_release (dev);
schedule_timeout_interruptible(msecs_to_jiffies(40));
parport_claim_or_block (dev);
diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index 0a2902569f14..0538348ed843 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -62,6 +62,7 @@
#define PIO_COMPLETION_STATUS_CRS 2
#define PIO_COMPLETION_STATUS_CA 4
#define PIO_NON_POSTED_REQ BIT(10)
+#define PIO_ERR_STATUS BIT(11)
#define PIO_ADDR_LS (PIO_BASE_ADDR + 0x8)
#define PIO_ADDR_MS (PIO_BASE_ADDR + 0xc)
#define PIO_WR_DATA (PIO_BASE_ADDR + 0x10)
@@ -176,7 +177,7 @@
(PCIE_CONF_BUS(bus) | PCIE_CONF_DEV(PCI_SLOT(devfn)) | \
PCIE_CONF_FUNC(PCI_FUNC(devfn)) | PCIE_CONF_REG(where))

-#define PIO_RETRY_CNT 500
+#define PIO_RETRY_CNT 750000 /* 1.5 s */
#define PIO_RETRY_DELAY 2 /* 2 us*/

#define LINK_WAIT_MAX_RETRIES 10
@@ -193,6 +194,7 @@ struct advk_pcie {
struct list_head resources;
struct irq_domain *irq_domain;
struct irq_chip irq_chip;
+ raw_spinlock_t irq_lock;
struct irq_domain *msi_domain;
struct irq_domain *msi_inner_domain;
struct irq_chip msi_bottom_irq_chip;
@@ -363,7 +365,7 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
advk_writel(pcie, reg, PCIE_CORE_CMD_STATUS_REG);
}

-static void advk_pcie_check_pio_status(struct advk_pcie *pcie)
+static int advk_pcie_check_pio_status(struct advk_pcie *pcie, u32 *val)
{
struct device *dev = &pcie->pdev->dev;
u32 reg;
@@ -374,14 +376,49 @@ static void advk_pcie_check_pio_status(struct advk_pcie *pcie)
status = (reg & PIO_COMPLETION_STATUS_MASK) >>
PIO_COMPLETION_STATUS_SHIFT;

- if (!status)
- return;
-
+ /*
+ * According to HW spec, the PIO status check sequence as below:
+ * 1) even if COMPLETION_STATUS(bit9:7) indicates successful,
+ * it still needs to check Error Status(bit11), only when this bit
+ * indicates no error happen, the operation is successful.
+ * 2) value Unsupported Request(1) of COMPLETION_STATUS(bit9:7) only
+ * means a PIO write error, and for PIO read it is successful with
+ * a read value of 0xFFFFFFFF.
+ * 3) value Completion Retry Status(CRS) of COMPLETION_STATUS(bit9:7)
+ * only means a PIO write error, and for PIO read it is successful
+ * with a read value of 0xFFFF0001.
+ * 4) value Completer Abort (CA) of COMPLETION_STATUS(bit9:7) means
+ * error for both PIO read and PIO write operation.
+ * 5) other errors are indicated as 'unknown'.
+ */
switch (status) {
+ case PIO_COMPLETION_STATUS_OK:
+ if (reg & PIO_ERR_STATUS) {
+ strcomp_status = "COMP_ERR";
+ break;
+ }
+ /* Get the read result */
+ if (val)
+ *val = advk_readl(pcie, PIO_RD_DATA);
+ /* No error */
+ strcomp_status = NULL;
+ break;
case PIO_COMPLETION_STATUS_UR:
strcomp_status = "UR";
break;
case PIO_COMPLETION_STATUS_CRS:
+ /* PCIe r4.0, sec 2.3.2, says:
+ * If CRS Software Visibility is not enabled, the Root Complex
+ * must re-issue the Configuration Request as a new Request.
+ * A Root Complex implementation may choose to limit the number
+ * of Configuration Request/CRS Completion Status loops before
+ * determining that something is wrong with the target of the
+ * Request and taking appropriate action, e.g., complete the
+ * Request to the host as a failed transaction.
+ *
+ * To simplify implementation do not re-issue the Configuration
+ * Request and complete the Request as a failed transaction.
+ */
strcomp_status = "CRS";
break;
case PIO_COMPLETION_STATUS_CA:
@@ -392,6 +429,9 @@ static void advk_pcie_check_pio_status(struct advk_pcie *pcie)
break;
}

+ if (!strcomp_status)
+ return 0;
+
if (reg & PIO_NON_POSTED_REQ)
str_posted = "Non-posted";
else
@@ -399,6 +439,8 @@ static void advk_pcie_check_pio_status(struct advk_pcie *pcie)

dev_err(dev, "%s PIO Response Status: %s, %#x @ %#x\n",
str_posted, strcomp_status, reg, advk_readl(pcie, PIO_ADDR_LS));
+
+ return -EFAULT;
}

static int advk_pcie_wait_pio(struct advk_pcie *pcie)
@@ -625,10 +667,13 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn,
if (ret < 0)
return PCIBIOS_SET_FAILED;

- advk_pcie_check_pio_status(pcie);
+ /* Check PIO status and get the read result */
+ ret = advk_pcie_check_pio_status(pcie, val);
+ if (ret < 0) {
+ *val = 0xffffffff;
+ return PCIBIOS_SET_FAILED;
+ }

- /* Get the read result */
- *val = advk_readl(pcie, PIO_RD_DATA);
if (size == 1)
*val = (*val >> (8 * (where & 3))) & 0xff;
else if (size == 2)
@@ -692,7 +737,9 @@ static int advk_pcie_wr_conf(struct pci_bus *bus, u32 devfn,
if (ret < 0)
return PCIBIOS_SET_FAILED;

- advk_pcie_check_pio_status(pcie);
+ ret = advk_pcie_check_pio_status(pcie, NULL);
+ if (ret < 0)
+ return PCIBIOS_SET_FAILED;

return PCIBIOS_SUCCESSFUL;
}
@@ -766,22 +813,28 @@ static void advk_pcie_irq_mask(struct irq_data *d)
{
struct advk_pcie *pcie = d->domain->host_data;
irq_hw_number_t hwirq = irqd_to_hwirq(d);
+ unsigned long flags;
u32 mask;

+ raw_spin_lock_irqsave(&pcie->irq_lock, flags);
mask = advk_readl(pcie, PCIE_ISR1_MASK_REG);
mask |= PCIE_ISR1_INTX_ASSERT(hwirq);
advk_writel(pcie, mask, PCIE_ISR1_MASK_REG);
+ raw_spin_unlock_irqrestore(&pcie->irq_lock, flags);
}

static void advk_pcie_irq_unmask(struct irq_data *d)
{
struct advk_pcie *pcie = d->domain->host_data;
irq_hw_number_t hwirq = irqd_to_hwirq(d);
+ unsigned long flags;
u32 mask;

+ raw_spin_lock_irqsave(&pcie->irq_lock, flags);
mask = advk_readl(pcie, PCIE_ISR1_MASK_REG);
mask &= ~PCIE_ISR1_INTX_ASSERT(hwirq);
advk_writel(pcie, mask, PCIE_ISR1_MASK_REG);
+ raw_spin_unlock_irqrestore(&pcie->irq_lock, flags);
}

static int advk_pcie_irq_map(struct irq_domain *h,
@@ -865,6 +918,8 @@ static int advk_pcie_init_irq_domain(struct advk_pcie *pcie)
struct irq_chip *irq_chip;
int ret = 0;

+ raw_spin_lock_init(&pcie->irq_lock);
+
pcie_intc_node = of_get_next_child(node, NULL);
if (!pcie_intc_node) {
dev_err(dev, "No PCIe Intc node found\n");
diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c
index 45c0f344ccd1..11b046b20b92 100644
--- a/drivers/pci/controller/pcie-xilinx-nwl.c
+++ b/drivers/pci/controller/pcie-xilinx-nwl.c
@@ -6,6 +6,7 @@
* (C) Copyright 2014 - 2015, Xilinx, Inc.
*/

+#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
@@ -169,6 +170,7 @@ struct nwl_pcie {
u8 root_busno;
struct nwl_msi msi;
struct irq_domain *legacy_irq_domain;
+ struct clk *clk;
raw_spinlock_t leg_mask_lock;
};

@@ -839,6 +841,16 @@ static int nwl_pcie_probe(struct platform_device *pdev)
return err;
}

+ pcie->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(pcie->clk))
+ return PTR_ERR(pcie->clk);
+
+ err = clk_prepare_enable(pcie->clk);
+ if (err) {
+ dev_err(dev, "can't enable PCIe ref clock\n");
+ return err;
+ }
+
err = nwl_pcie_bridge_init(pcie);
if (err) {
dev_err(dev, "HW Initialization failed\n");
diff --git a/drivers/pci/hotplug/TODO b/drivers/pci/hotplug/TODO
index a32070be5adf..cc6194aa24c1 100644
--- a/drivers/pci/hotplug/TODO
+++ b/drivers/pci/hotplug/TODO
@@ -40,9 +40,6 @@ ibmphp:

* The return value of pci_hp_register() is not checked.

-* iounmap(io_mem) is called in the error path of ebda_rsrc_controller()
- and once more in the error path of its caller ibmphp_access_ebda().
-
* The various slot data structures are difficult to follow and need to be
simplified. A lot of functions are too large and too complex, they need
to be broken up into smaller, manageable pieces. Negative examples are
diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c
index 11a2661dc062..7fb75401ad8a 100644
--- a/drivers/pci/hotplug/ibmphp_ebda.c
+++ b/drivers/pci/hotplug/ibmphp_ebda.c
@@ -714,8 +714,7 @@ static int __init ebda_rsrc_controller(void)
/* init hpc structure */
hpc_ptr = alloc_ebda_hpc(slot_num, bus_num);
if (!hpc_ptr) {
- rc = -ENOMEM;
- goto error_no_hpc;
+ return -ENOMEM;
}
hpc_ptr->ctlr_id = ctlr_id;
hpc_ptr->ctlr_relative_id = ctlr;
@@ -910,8 +909,6 @@ static int __init ebda_rsrc_controller(void)
kfree(tmp_slot);
error_no_slot:
free_ebda_hpc(hpc_ptr);
-error_no_hpc:
- iounmap(io_mem);
return rc;
}

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 5bb37671a86a..c8bd243717b7 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -782,6 +782,9 @@ static void msix_mask_all(void __iomem *base, int tsize)
u32 ctrl = PCI_MSIX_ENTRY_CTRL_MASKBIT;
int i;

+ if (pci_msi_ignore_mask)
+ return;
+
for (i = 0; i < tsize; i++, base += PCI_MSIX_ENTRY_SIZE)
writel(ctrl, base + PCI_MSIX_ENTRY_VECTOR_CTRL);
}
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 58c33b65d451..b9550cd4280c 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -224,7 +224,7 @@ static int pci_dev_str_match_path(struct pci_dev *dev, const char *path,

*endptr = strchrnul(path, ';');

- wpath = kmemdup_nul(path, *endptr - path, GFP_KERNEL);
+ wpath = kmemdup_nul(path, *endptr - path, GFP_ATOMIC);
if (!wpath)
return -ENOMEM;

@@ -1672,11 +1672,7 @@ static int pci_enable_device_flags(struct pci_dev *dev, unsigned long flags)
* so that things like MSI message writing will behave as expected
* (e.g. if the device really is in D0 at enable time).
*/
- if (dev->pm_cap) {
- u16 pmcsr;
- pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr);
- dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK);
- }
+ pci_update_current_state(dev, dev->current_state);

if (atomic_inc_return(&dev->enable_cnt) > 1)
return 0; /* already enabled */
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 1b330129089f..8637f6068f9c 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -255,8 +255,13 @@ static int get_port_device_capability(struct pci_dev *dev)
services |= PCIE_PORT_SERVICE_DPC;

if (pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM ||
- pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
- services |= PCIE_PORT_SERVICE_BWNOTIF;
+ pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) {
+ u32 linkcap;
+
+ pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &linkcap);
+ if (linkcap & PCI_EXP_LNKCAP_LBNC)
+ services |= PCIE_PORT_SERVICE_BWNOTIF;
+ }

return services;
}
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 97c343d31f98..686298c0f6cd 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3252,6 +3252,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SOLARFLARE,
PCI_DEVICE_ID_SOLARFLARE_SFC4000A_1, fixup_mpss_256);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SOLARFLARE,
PCI_DEVICE_ID_SOLARFLARE_SFC4000B, fixup_mpss_256);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ASMEDIA, 0x0612, fixup_mpss_256);

/*
* Intel 5000 and 5100 Memory controllers have an erratum with read completion
@@ -4683,6 +4684,18 @@ static int pci_quirk_qcom_rp_acs(struct pci_dev *dev, u16 acs_flags)
PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF);
}

+/*
+ * Each of these NXP Root Ports is in a Root Complex with a unique segment
+ * number and does provide isolation features to disable peer transactions
+ * and validate bus numbers in requests, but does not provide an ACS
+ * capability.
+ */
+static int pci_quirk_nxp_rp_acs(struct pci_dev *dev, u16 acs_flags)
+{
+ return pci_acs_ctrl_enabled(acs_flags,
+ PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF);
+}
+
static int pci_quirk_al_acs(struct pci_dev *dev, u16 acs_flags)
{
if (pci_pcie_type(dev) != PCI_EXP_TYPE_ROOT_PORT)
@@ -4909,6 +4922,10 @@ static const struct pci_dev_acs_enabled {
{ 0x10df, 0x720, pci_quirk_mf_endpoint_acs }, /* Emulex Skyhawk-R */
/* Cavium ThunderX */
{ PCI_VENDOR_ID_CAVIUM, PCI_ANY_ID, pci_quirk_cavium_acs },
+ /* Cavium multi-function devices */
+ { PCI_VENDOR_ID_CAVIUM, 0xA026, pci_quirk_mf_endpoint_acs },
+ { PCI_VENDOR_ID_CAVIUM, 0xA059, pci_quirk_mf_endpoint_acs },
+ { PCI_VENDOR_ID_CAVIUM, 0xA060, pci_quirk_mf_endpoint_acs },
/* APM X-Gene */
{ PCI_VENDOR_ID_AMCC, 0xE004, pci_quirk_xgene_acs },
/* Ampere Computing */
@@ -4929,6 +4946,39 @@ static const struct pci_dev_acs_enabled {
{ PCI_VENDOR_ID_ZHAOXIN, 0x3038, pci_quirk_mf_endpoint_acs },
{ PCI_VENDOR_ID_ZHAOXIN, 0x3104, pci_quirk_mf_endpoint_acs },
{ PCI_VENDOR_ID_ZHAOXIN, 0x9083, pci_quirk_mf_endpoint_acs },
+ /* NXP root ports, xx=16, 12, or 08 cores */
+ /* LX2xx0A : without security features + CAN-FD */
+ { PCI_VENDOR_ID_NXP, 0x8d81, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8da1, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8d83, pci_quirk_nxp_rp_acs },
+ /* LX2xx0C : security features + CAN-FD */
+ { PCI_VENDOR_ID_NXP, 0x8d80, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8da0, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8d82, pci_quirk_nxp_rp_acs },
+ /* LX2xx0E : security features + CAN */
+ { PCI_VENDOR_ID_NXP, 0x8d90, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8db0, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8d92, pci_quirk_nxp_rp_acs },
+ /* LX2xx0N : without security features + CAN */
+ { PCI_VENDOR_ID_NXP, 0x8d91, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8db1, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8d93, pci_quirk_nxp_rp_acs },
+ /* LX2xx2A : without security features + CAN-FD */
+ { PCI_VENDOR_ID_NXP, 0x8d89, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8da9, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8d8b, pci_quirk_nxp_rp_acs },
+ /* LX2xx2C : security features + CAN-FD */
+ { PCI_VENDOR_ID_NXP, 0x8d88, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8da8, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8d8a, pci_quirk_nxp_rp_acs },
+ /* LX2xx2E : security features + CAN */
+ { PCI_VENDOR_ID_NXP, 0x8d98, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8db8, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8d9a, pci_quirk_nxp_rp_acs },
+ /* LX2xx2N : without security features + CAN */
+ { PCI_VENDOR_ID_NXP, 0x8d99, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8db9, pci_quirk_nxp_rp_acs },
+ { PCI_VENDOR_ID_NXP, 0x8d9b, pci_quirk_nxp_rp_acs },
/* Zhaoxin Root/Downstream Ports */
{ PCI_VENDOR_ID_ZHAOXIN, PCI_ANY_ID, pci_quirk_zhaoxin_pcie_ports_acs },
{ 0 }
@@ -5393,7 +5443,7 @@ DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
PCI_CLASS_MULTIMEDIA_HD_AUDIO, 8, quirk_gpu_hda);

/*
- * Create device link for NVIDIA GPU with integrated USB xHCI Host
+ * Create device link for GPUs with integrated USB xHCI Host
* controller to VGA.
*/
static void quirk_gpu_usb(struct pci_dev *usb)
@@ -5402,9 +5452,11 @@ static void quirk_gpu_usb(struct pci_dev *usb)
}
DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
PCI_CLASS_SERIAL_USB, 8, quirk_gpu_usb);
+DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID,
+ PCI_CLASS_SERIAL_USB, 8, quirk_gpu_usb);

/*
- * Create device link for NVIDIA GPU with integrated Type-C UCSI controller
+ * Create device link for GPUs with integrated Type-C UCSI controller
* to VGA. Currently there is no class code defined for UCSI device over PCI
* so using UNKNOWN class for now and it will be updated when UCSI
* over PCI gets a class code.
@@ -5417,6 +5469,9 @@ static void quirk_gpu_usb_typec_ucsi(struct pci_dev *ucsi)
DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
PCI_CLASS_SERIAL_UNKNOWN, 8,
quirk_gpu_usb_typec_ucsi);
+DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID,
+ PCI_CLASS_SERIAL_UNKNOWN, 8,
+ quirk_gpu_usb_typec_ucsi);

/*
* Enable the NVIDIA GPU integrated HDA controller if the BIOS left it
diff --git a/drivers/pci/syscall.c b/drivers/pci/syscall.c
index 8b003c890b87..c9f03418e71e 100644
--- a/drivers/pci/syscall.c
+++ b/drivers/pci/syscall.c
@@ -22,8 +22,10 @@ SYSCALL_DEFINE5(pciconfig_read, unsigned long, bus, unsigned long, dfn,
long err;
int cfg_ret;

+ err = -EPERM;
+ dev = NULL;
if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
+ goto error;

err = -ENODEV;
dev = pci_get_domain_bus_and_slot(0, bus, dfn);
diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c
index 91596eee0bda..ba078a709846 100644
--- a/drivers/pinctrl/pinctrl-ingenic.c
+++ b/drivers/pinctrl/pinctrl-ingenic.c
@@ -348,7 +348,7 @@ static const struct ingenic_chip_info jz4725b_chip_info = {
};

static const u32 jz4760_pull_ups[6] = {
- 0xffffffff, 0xfffcf3ff, 0xffffffff, 0xffffcfff, 0xfffffb7c, 0xfffff00f,
+ 0xffffffff, 0xfffcf3ff, 0xffffffff, 0xffffcfff, 0xfffffb7c, 0x0000000f,
};

static const u32 jz4760_pull_downs[6] = {
@@ -611,11 +611,11 @@ static const struct ingenic_chip_info jz4760b_chip_info = {
};

static const u32 jz4770_pull_ups[6] = {
- 0x3fffffff, 0xfff0030c, 0xffffffff, 0xffff4fff, 0xfffffb7c, 0xffa7f00f,
+ 0x3fffffff, 0xfff0f3fc, 0xffffffff, 0xffff4fff, 0xfffffb7c, 0x0024f00f,
};

static const u32 jz4770_pull_downs[6] = {
- 0x00000000, 0x000f0c03, 0x00000000, 0x0000b000, 0x00000483, 0x00580ff0,
+ 0x00000000, 0x000f0c03, 0x00000000, 0x0000b000, 0x00000483, 0x005b0ff0,
};

static int jz4770_uart0_data_pins[] = { 0xa0, 0xa3, };
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index a9d511982780..fb1c8965cb99 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -1201,6 +1201,7 @@ static int pcs_parse_bits_in_pinctrl_entry(struct pcs_device *pcs,

if (PCS_HAS_PINCONF) {
dev_err(pcs->dev, "pinconf not supported\n");
+ res = -ENOTSUPP;
goto free_pingroups;
}

diff --git a/drivers/pinctrl/pinctrl-stmfx.c b/drivers/pinctrl/pinctrl-stmfx.c
index ccdf0bb21414..835c14bb315b 100644
--- a/drivers/pinctrl/pinctrl-stmfx.c
+++ b/drivers/pinctrl/pinctrl-stmfx.c
@@ -540,7 +540,7 @@ static irqreturn_t stmfx_pinctrl_irq_thread_fn(int irq, void *dev_id)
u8 pending[NR_GPIO_REGS];
u8 src[NR_GPIO_REGS] = {0, 0, 0};
unsigned long n, status;
- int ret;
+ int i, ret;

ret = regmap_bulk_read(pctl->stmfx->map, STMFX_REG_IRQ_GPI_PENDING,
&pending, NR_GPIO_REGS);
@@ -550,7 +550,9 @@ static irqreturn_t stmfx_pinctrl_irq_thread_fn(int irq, void *dev_id)
regmap_bulk_write(pctl->stmfx->map, STMFX_REG_IRQ_GPI_SRC,
src, NR_GPIO_REGS);

- status = *(unsigned long *)pending;
+ BUILD_BUG_ON(NR_GPIO_REGS > sizeof(status));
+ for (i = 0, status = 0; i < NR_GPIO_REGS; i++)
+ status |= (unsigned long)pending[i] << (i * 8);
for_each_set_bit(n, &status, gc->ngpio) {
handle_nested_irq(irq_find_mapping(gc->irq.domain, n));
stmfx_pinctrl_irq_toggle_trigger(pctl, n);
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
index f26574ef234a..601fffeba39f 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.c
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
@@ -918,7 +918,7 @@ static int samsung_pinctrl_register(struct platform_device *pdev,
pin_bank->grange.pin_base = drvdata->pin_base
+ pin_bank->pin_base;
pin_bank->grange.base = pin_bank->grange.pin_base;
- pin_bank->grange.npins = pin_bank->gpio_chip.ngpio;
+ pin_bank->grange.npins = pin_bank->nr_pins;
pin_bank->grange.gc = &pin_bank->gpio_chip;
pinctrl_add_gpio_range(drvdata->pctl_dev, &pin_bank->grange);
}
diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
index f659f96bda12..9b575e9dd71c 100644
--- a/drivers/platform/chrome/cros_ec_proto.c
+++ b/drivers/platform/chrome/cros_ec_proto.c
@@ -213,6 +213,15 @@ static int cros_ec_host_command_proto_query(struct cros_ec_device *ec_dev,
msg->insize = sizeof(struct ec_response_get_protocol_info);

ret = send_command(ec_dev, msg);
+ /*
+ * Send command once again when timeout occurred.
+ * Fingerprint MCU (FPMCU) is restarted during system boot which
+ * introduces small window in which FPMCU won't respond for any
+ * messages sent by kernel. There is no need to wait before next
+ * attempt because we waited at least EC_MSG_DEADLINE_MS.
+ */
+ if (ret == -ETIMEDOUT)
+ ret = send_command(ec_dev, msg);

if (ret < 0) {
dev_dbg(ec_dev->dev,
diff --git a/drivers/platform/x86/dell-smbios-wmi.c b/drivers/platform/x86/dell-smbios-wmi.c
index c97bd4a45242..5821e9d9a4ce 100644
--- a/drivers/platform/x86/dell-smbios-wmi.c
+++ b/drivers/platform/x86/dell-smbios-wmi.c
@@ -69,6 +69,7 @@ static int run_smbios_call(struct wmi_device *wdev)
if (obj->type == ACPI_TYPE_INTEGER)
dev_dbg(&wdev->dev, "SMBIOS call failed: %llu\n",
obj->integer.value);
+ kfree(output.pointer);
return -EIO;
}
memcpy(&priv->buf->std, obj->buffer.pointer, obj->buffer.length);
diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c
index ab4740c3bf57..f8f8207a1895 100644
--- a/drivers/power/supply/max17042_battery.c
+++ b/drivers/power/supply/max17042_battery.c
@@ -842,8 +842,12 @@ static irqreturn_t max17042_thread_handler(int id, void *dev)
{
struct max17042_chip *chip = dev;
u32 val;
+ int ret;
+
+ ret = regmap_read(chip->regmap, MAX17042_STATUS, &val);
+ if (ret)
+ return IRQ_HANDLED;

- regmap_read(chip->regmap, MAX17042_STATUS, &val);
if ((val & STATUS_INTR_SOCMIN_BIT) ||
(val & STATUS_INTR_SOCMAX_BIT)) {
dev_info(&chip->client->dev, "SOC threshold INTR\n");
diff --git a/drivers/rtc/rtc-tps65910.c b/drivers/rtc/rtc-tps65910.c
index 2c0467a9e717..8d1b1fda62dd 100644
--- a/drivers/rtc/rtc-tps65910.c
+++ b/drivers/rtc/rtc-tps65910.c
@@ -460,6 +460,6 @@ static struct platform_driver tps65910_rtc_driver = {
};

module_platform_driver(tps65910_rtc_driver);
-MODULE_ALIAS("platform:rtc-tps65910");
+MODULE_ALIAS("platform:tps65910-rtc");
MODULE_AUTHOR("Venu Byravarasu <vbyravarasu@nvidia.com>");
MODULE_LICENSE("GPL");
diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c
index cc5e84b80c69..faa3a4b8ed91 100644
--- a/drivers/s390/char/sclp_early.c
+++ b/drivers/s390/char/sclp_early.c
@@ -40,13 +40,14 @@ static void __init sclp_early_facilities_detect(struct read_info_sccb *sccb)
sclp.has_gisaf = !!(sccb->fac118 & 0x08);
sclp.has_hvs = !!(sccb->fac119 & 0x80);
sclp.has_kss = !!(sccb->fac98 & 0x01);
- sclp.has_sipl = !!(sccb->cbl & 0x4000);
if (sccb->fac85 & 0x02)
S390_lowcore.machine_flags |= MACHINE_FLAG_ESOP;
if (sccb->fac91 & 0x40)
S390_lowcore.machine_flags |= MACHINE_FLAG_TLB_GUEST;
if (sccb->cpuoff > 134)
sclp.has_diag318 = !!(sccb->byte_134 & 0x80);
+ if (sccb->cpuoff > 137)
+ sclp.has_sipl = !!(sccb->cbl & 0x4000);
sclp.rnmax = sccb->rnmax ? sccb->rnmax : sccb->rnmax2;
sclp.rzm = sccb->rnsize ? sccb->rnsize : sccb->rnsize2;
sclp.rzm <<= 20;
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index 6e988233fb81..6a54556119dd 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -3601,7 +3601,7 @@ static void blogic_msg(enum blogic_msglevel msglevel, char *fmt,
if (buf[0] != '\n' || len > 1)
printk("%sscsi%d: %s", blogic_msglevelmap[msglevel], adapter->host_no, buf);
} else
- printk("%s", buf);
+ pr_cont("%s", buf);
} else {
if (begin) {
if (adapter != NULL && adapter->adapter_initd)
@@ -3609,7 +3609,7 @@ static void blogic_msg(enum blogic_msglevel msglevel, char *fmt,
else
printk("%s%s", blogic_msglevelmap[msglevel], buf);
} else
- printk("%s", buf);
+ pr_cont("%s", buf);
}
begin = (buf[len - 1] == '\n');
}
diff --git a/drivers/scsi/pcmcia/fdomain_cs.c b/drivers/scsi/pcmcia/fdomain_cs.c
index e42acf314d06..33df6a9ba9b5 100644
--- a/drivers/scsi/pcmcia/fdomain_cs.c
+++ b/drivers/scsi/pcmcia/fdomain_cs.c
@@ -45,8 +45,10 @@ static int fdomain_probe(struct pcmcia_device *link)
goto fail_disable;

if (!request_region(link->resource[0]->start, FDOMAIN_REGION_SIZE,
- "fdomain_cs"))
+ "fdomain_cs")) {
+ ret = -EBUSY;
goto fail_disable;
+ }

sh = fdomain_create(link->resource[0]->start, link->irq, 7, &link->dev);
if (!sh) {
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c
index 7a6306f8483e..c95e04cc6424 100644
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -2894,7 +2894,7 @@ static int qedf_alloc_global_queues(struct qedf_ctx *qedf)
{
u32 *list;
int i;
- int status = 0, rc;
+ int status;
u32 *pbl;
dma_addr_t page;
int num_pages;
@@ -2906,7 +2906,7 @@ static int qedf_alloc_global_queues(struct qedf_ctx *qedf)
*/
if (!qedf->num_queues) {
QEDF_ERR(&(qedf->dbg_ctx), "No MSI-X vectors available!\n");
- return 1;
+ return -ENOMEM;
}

/*
@@ -2914,7 +2914,7 @@ static int qedf_alloc_global_queues(struct qedf_ctx *qedf)
* addresses of our queues
*/
if (!qedf->p_cpuq) {
- status = 1;
+ status = -EINVAL;
QEDF_ERR(&qedf->dbg_ctx, "p_cpuq is NULL.\n");
goto mem_alloc_failure;
}
@@ -2930,8 +2930,8 @@ static int qedf_alloc_global_queues(struct qedf_ctx *qedf)
"qedf->global_queues=%p.\n", qedf->global_queues);

/* Allocate DMA coherent buffers for BDQ */
- rc = qedf_alloc_bdq(qedf);
- if (rc) {
+ status = qedf_alloc_bdq(qedf);
+ if (status) {
QEDF_ERR(&qedf->dbg_ctx, "Unable to allocate bdq.\n");
goto mem_alloc_failure;
}
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index 1ec42c5f0b2a..92c4a367b7bd 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -1553,7 +1553,7 @@ static int qedi_alloc_global_queues(struct qedi_ctx *qedi)
{
u32 *list;
int i;
- int status = 0, rc;
+ int status;
u32 *pbl;
dma_addr_t page;
int num_pages;
@@ -1564,14 +1564,14 @@ static int qedi_alloc_global_queues(struct qedi_ctx *qedi)
*/
if (!qedi->num_queues) {
QEDI_ERR(&qedi->dbg_ctx, "No MSI-X vectors available!\n");
- return 1;
+ return -ENOMEM;
}

/* Make sure we allocated the PBL that will contain the physical
* addresses of our queues
*/
if (!qedi->p_cpuq) {
- status = 1;
+ status = -EINVAL;
goto mem_alloc_failure;
}

@@ -1586,13 +1586,13 @@ static int qedi_alloc_global_queues(struct qedi_ctx *qedi)
"qedi->global_queues=%p.\n", qedi->global_queues);

/* Allocate DMA coherent buffers for BDQ */
- rc = qedi_alloc_bdq(qedi);
- if (rc)
+ status = qedi_alloc_bdq(qedi);
+ if (status)
goto mem_alloc_failure;

/* Allocate DMA coherent buffers for NVM_ISCSI_CFG */
- rc = qedi_alloc_nvm_iscsi_cfg(qedi);
- if (rc)
+ status = qedi_alloc_nvm_iscsi_cfg(qedi);
+ if (status)
goto mem_alloc_failure;

/* Allocate a CQ and an associated PBL for each MSI-X
diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c
index 11656e864fca..97453c12b735 100644
--- a/drivers/scsi/qla2xxx/qla_nvme.c
+++ b/drivers/scsi/qla2xxx/qla_nvme.c
@@ -84,8 +84,9 @@ static int qla_nvme_alloc_queue(struct nvme_fc_local_port *lport,
struct qla_hw_data *ha;
struct qla_qpair *qpair;

- if (!qidx)
- qidx++;
+ /* Map admin queue and 1st IO queue to index 0 */
+ if (qidx)
+ qidx--;

vha = (struct scsi_qla_host *)lport->private;
ha = vha->hw;
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 052ce7881407..28cbefe715e5 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -15,6 +15,7 @@
#include <linux/slab.h>
#include <linux/blk-mq-pci.h>
#include <linux/refcount.h>
+#include <linux/crash_dump.h>

#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
@@ -2799,6 +2800,11 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
return ret;
}

+ if (is_kdump_kernel()) {
+ ql2xmqsupport = 0;
+ ql2xallocfwdump = 0;
+ }
+
/* This may fail but that's ok */
pci_enable_pcie_error_reporting(pdev);

diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 9bc451004184..80ff00025c03 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -1192,6 +1192,7 @@ static int pqi_get_raid_map(struct pqi_ctrl_info *ctrl_info,
"Requested %d bytes, received %d bytes",
raid_map_size,
get_unaligned_le32(&raid_map->structure_size));
+ rc = -EINVAL;
goto error;
}
}
diff --git a/drivers/soc/aspeed/aspeed-lpc-ctrl.c b/drivers/soc/aspeed/aspeed-lpc-ctrl.c
index 01ed21e8bfee..040c7dc1d479 100644
--- a/drivers/soc/aspeed/aspeed-lpc-ctrl.c
+++ b/drivers/soc/aspeed/aspeed-lpc-ctrl.c
@@ -46,7 +46,7 @@ static int aspeed_lpc_ctrl_mmap(struct file *file, struct vm_area_struct *vma)
unsigned long vsize = vma->vm_end - vma->vm_start;
pgprot_t prot = vma->vm_page_prot;

- if (vma->vm_pgoff + vsize > lpc_ctrl->mem_base + lpc_ctrl->mem_size)
+ if (vma->vm_pgoff + vma_pages(vma) > lpc_ctrl->mem_size >> PAGE_SHIFT)
return -EINVAL;

/* ast2400/2500 AHB accesses are not cache coherent */
diff --git a/drivers/soc/aspeed/aspeed-p2a-ctrl.c b/drivers/soc/aspeed/aspeed-p2a-ctrl.c
index b60fbeaffcbd..20b5fb2a207c 100644
--- a/drivers/soc/aspeed/aspeed-p2a-ctrl.c
+++ b/drivers/soc/aspeed/aspeed-p2a-ctrl.c
@@ -110,7 +110,7 @@ static int aspeed_p2a_mmap(struct file *file, struct vm_area_struct *vma)
vsize = vma->vm_end - vma->vm_start;
prot = vma->vm_page_prot;

- if (vma->vm_pgoff + vsize > ctrl->mem_base + ctrl->mem_size)
+ if (vma->vm_pgoff + vma_pages(vma) > ctrl->mem_size >> PAGE_SHIFT)
return -EINVAL;

/* ast2400/2500 AHB accesses are not cache coherent */
diff --git a/drivers/soc/qcom/qcom_aoss.c b/drivers/soc/qcom/qcom_aoss.c
index 33a27e6c6d67..45c5aa712eda 100644
--- a/drivers/soc/qcom/qcom_aoss.c
+++ b/drivers/soc/qcom/qcom_aoss.c
@@ -472,12 +472,12 @@ static int qmp_cooling_device_add(struct qmp *qmp,
static int qmp_cooling_devices_register(struct qmp *qmp)
{
struct device_node *np, *child;
- int count = QMP_NUM_COOLING_RESOURCES;
+ int count = 0;
int ret;

np = qmp->dev->of_node;

- qmp->cooling_devs = devm_kcalloc(qmp->dev, count,
+ qmp->cooling_devs = devm_kcalloc(qmp->dev, QMP_NUM_COOLING_RESOURCES,
sizeof(*qmp->cooling_devs),
GFP_KERNEL);

@@ -493,12 +493,16 @@ static int qmp_cooling_devices_register(struct qmp *qmp)
goto unroll;
}

+ if (!count)
+ devm_kfree(qmp->dev, qmp->cooling_devs);
+
return 0;

unroll:
while (--count >= 0)
thermal_cooling_device_unregister
(qmp->cooling_devs[count].cdev);
+ devm_kfree(qmp->dev, qmp->cooling_devs);

return ret;
}
diff --git a/drivers/staging/board/board.c b/drivers/staging/board/board.c
index cb6feb34dd40..f980af037345 100644
--- a/drivers/staging/board/board.c
+++ b/drivers/staging/board/board.c
@@ -136,6 +136,7 @@ int __init board_staging_register_clock(const struct board_staging_clk *bsc)
static int board_staging_add_dev_domain(struct platform_device *pdev,
const char *domain)
{
+ struct device *dev = &pdev->dev;
struct of_phandle_args pd_args;
struct device_node *np;

@@ -148,7 +149,11 @@ static int board_staging_add_dev_domain(struct platform_device *pdev,
pd_args.np = np;
pd_args.args_count = 0;

- return of_genpd_add_device(&pd_args, &pdev->dev);
+ /* Initialization similar to device_pm_init_common() */
+ spin_lock_init(&dev->power.lock);
+ dev->power.early_init = true;
+
+ return of_genpd_add_device(&pd_args, dev);
}
#else
static inline int board_staging_add_dev_domain(struct platform_device *pdev,
diff --git a/drivers/staging/ks7010/ks7010_sdio.c b/drivers/staging/ks7010/ks7010_sdio.c
index 4b379542ecd5..3fbe223d59b8 100644
--- a/drivers/staging/ks7010/ks7010_sdio.c
+++ b/drivers/staging/ks7010/ks7010_sdio.c
@@ -938,9 +938,9 @@ static void ks7010_private_init(struct ks_wlan_private *priv,
memset(&priv->wstats, 0, sizeof(priv->wstats));

/* sleep mode */
+ atomic_set(&priv->sleepstatus.status, 0);
atomic_set(&priv->sleepstatus.doze_request, 0);
atomic_set(&priv->sleepstatus.wakeup_request, 0);
- atomic_set(&priv->sleepstatus.wakeup_request, 0);

trx_device_init(priv);
hostif_init(priv);
diff --git a/drivers/staging/rts5208/rtsx_scsi.c b/drivers/staging/rts5208/rtsx_scsi.c
index 1deb74112ad4..11d9d9155eef 100644
--- a/drivers/staging/rts5208/rtsx_scsi.c
+++ b/drivers/staging/rts5208/rtsx_scsi.c
@@ -2802,10 +2802,10 @@ static int get_ms_information(struct scsi_cmnd *srb, struct rtsx_chip *chip)
}

if (dev_info_id == 0x15) {
- buf_len = 0x3A;
+ buf_len = 0x3C;
data_len = 0x3A;
} else {
- buf_len = 0x6A;
+ buf_len = 0x6C;
data_len = 0x6A;
}

@@ -2855,11 +2855,7 @@ static int get_ms_information(struct scsi_cmnd *srb, struct rtsx_chip *chip)
}

rtsx_stor_set_xfer_buf(buf, buf_len, srb);
-
- if (dev_info_id == 0x15)
- scsi_set_resid(srb, scsi_bufflen(srb) - 0x3C);
- else
- scsi_set_resid(srb, scsi_bufflen(srb) - 0x6C);
+ scsi_set_resid(srb, scsi_bufflen(srb) - buf_len);

kfree(buf);
return STATUS_SUCCESS;
diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c
index 596ad3edec9c..48fabece7644 100644
--- a/drivers/target/target_core_xcopy.c
+++ b/drivers/target/target_core_xcopy.c
@@ -533,7 +533,6 @@ void target_xcopy_release_pt(void)
* @cdb: SCSI CDB to be copied into @xpt_cmd.
* @remote_port: If false, use the LUN through which the XCOPY command has
* been received. If true, use @se_dev->xcopy_lun.
- * @alloc_mem: Whether or not to allocate an SGL list.
*
* Set up a SCSI command (READ or WRITE) that will be used to execute an
* XCOPY command.
@@ -543,12 +542,9 @@ static int target_xcopy_setup_pt_cmd(
struct xcopy_op *xop,
struct se_device *se_dev,
unsigned char *cdb,
- bool remote_port,
- bool alloc_mem)
+ bool remote_port)
{
struct se_cmd *cmd = &xpt_cmd->se_cmd;
- sense_reason_t sense_rc;
- int ret = 0, rc;

/*
* Setup LUN+port to honor reservations based upon xop->op_origin for
@@ -564,46 +560,17 @@ static int target_xcopy_setup_pt_cmd(
cmd->se_cmd_flags |= SCF_SE_LUN_CMD;

cmd->tag = 0;
- sense_rc = target_setup_cmd_from_cdb(cmd, cdb);
- if (sense_rc) {
- ret = -EINVAL;
- goto out;
- }
+ if (target_setup_cmd_from_cdb(cmd, cdb))
+ return -EINVAL;

- if (alloc_mem) {
- rc = target_alloc_sgl(&cmd->t_data_sg, &cmd->t_data_nents,
- cmd->data_length, false, false);
- if (rc < 0) {
- ret = rc;
- goto out;
- }
- /*
- * Set this bit so that transport_free_pages() allows the
- * caller to release SGLs + physical memory allocated by
- * transport_generic_get_mem()..
- */
- cmd->se_cmd_flags |= SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC;
- } else {
- /*
- * Here the previously allocated SGLs for the internal READ
- * are mapped zero-copy to the internal WRITE.
- */
- sense_rc = transport_generic_map_mem_to_cmd(cmd,
- xop->xop_data_sg, xop->xop_data_nents,
- NULL, 0);
- if (sense_rc) {
- ret = -EINVAL;
- goto out;
- }
+ if (transport_generic_map_mem_to_cmd(cmd, xop->xop_data_sg,
+ xop->xop_data_nents, NULL, 0))
+ return -EINVAL;

- pr_debug("Setup PASSTHROUGH_NOALLOC t_data_sg: %p t_data_nents:"
- " %u\n", cmd->t_data_sg, cmd->t_data_nents);
- }
+ pr_debug("Setup PASSTHROUGH_NOALLOC t_data_sg: %p t_data_nents:"
+ " %u\n", cmd->t_data_sg, cmd->t_data_nents);

return 0;
-
-out:
- return ret;
}

static int target_xcopy_issue_pt_cmd(struct xcopy_pt_cmd *xpt_cmd)
@@ -660,15 +627,13 @@ static int target_xcopy_read_source(
xop->src_pt_cmd = xpt_cmd;

rc = target_xcopy_setup_pt_cmd(xpt_cmd, xop, src_dev, &cdb[0],
- remote_port, true);
+ remote_port);
if (rc < 0) {
ec_cmd->scsi_status = xpt_cmd->se_cmd.scsi_status;
transport_generic_free_cmd(se_cmd, 0);
return rc;
}

- xop->xop_data_sg = se_cmd->t_data_sg;
- xop->xop_data_nents = se_cmd->t_data_nents;
pr_debug("XCOPY-READ: Saved xop->xop_data_sg: %p, num: %u for READ"
" memory\n", xop->xop_data_sg, xop->xop_data_nents);

@@ -678,12 +643,6 @@ static int target_xcopy_read_source(
transport_generic_free_cmd(se_cmd, 0);
return rc;
}
- /*
- * Clear off the allocated t_data_sg, that has been saved for
- * zero-copy WRITE submission reuse in struct xcopy_op..
- */
- se_cmd->t_data_sg = NULL;
- se_cmd->t_data_nents = 0;

return 0;
}
@@ -722,19 +681,9 @@ static int target_xcopy_write_destination(
xop->dst_pt_cmd = xpt_cmd;

rc = target_xcopy_setup_pt_cmd(xpt_cmd, xop, dst_dev, &cdb[0],
- remote_port, false);
+ remote_port);
if (rc < 0) {
- struct se_cmd *src_cmd = &xop->src_pt_cmd->se_cmd;
ec_cmd->scsi_status = xpt_cmd->se_cmd.scsi_status;
- /*
- * If the failure happened before the t_mem_list hand-off in
- * target_xcopy_setup_pt_cmd(), Reset memory + clear flag so that
- * core releases this memory on error during X-COPY WRITE I/O.
- */
- src_cmd->se_cmd_flags &= ~SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC;
- src_cmd->t_data_sg = xop->xop_data_sg;
- src_cmd->t_data_nents = xop->xop_data_nents;
-
transport_generic_free_cmd(se_cmd, 0);
return rc;
}
@@ -742,7 +691,6 @@ static int target_xcopy_write_destination(
rc = target_xcopy_issue_pt_cmd(xpt_cmd);
if (rc < 0) {
ec_cmd->scsi_status = xpt_cmd->se_cmd.scsi_status;
- se_cmd->se_cmd_flags &= ~SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC;
transport_generic_free_cmd(se_cmd, 0);
return rc;
}
@@ -758,7 +706,7 @@ static void target_xcopy_do_work(struct work_struct *work)
sector_t src_lba, dst_lba, end_lba;
unsigned int max_sectors;
int rc = 0;
- unsigned short nolb, cur_nolb, max_nolb, copied_nolb = 0;
+ unsigned short nolb, max_nolb, copied_nolb = 0;

if (target_parse_xcopy_cmd(xop) != TCM_NO_SENSE)
goto err_free;
@@ -788,7 +736,23 @@ static void target_xcopy_do_work(struct work_struct *work)
(unsigned long long)src_lba, (unsigned long long)dst_lba);

while (src_lba < end_lba) {
- cur_nolb = min(nolb, max_nolb);
+ unsigned short cur_nolb = min(nolb, max_nolb);
+ u32 cur_bytes = cur_nolb * src_dev->dev_attrib.block_size;
+
+ if (cur_bytes != xop->xop_data_bytes) {
+ /*
+ * (Re)allocate a buffer large enough to hold the XCOPY
+ * I/O size, which can be reused each read / write loop.
+ */
+ target_free_sgl(xop->xop_data_sg, xop->xop_data_nents);
+ rc = target_alloc_sgl(&xop->xop_data_sg,
+ &xop->xop_data_nents,
+ cur_bytes,
+ false, false);
+ if (rc < 0)
+ goto out;
+ xop->xop_data_bytes = cur_bytes;
+ }

pr_debug("target_xcopy_do_work: Calling read src_dev: %p src_lba: %llu,"
" cur_nolb: %hu\n", src_dev, (unsigned long long)src_lba, cur_nolb);
@@ -819,12 +783,11 @@ static void target_xcopy_do_work(struct work_struct *work)
nolb -= cur_nolb;

transport_generic_free_cmd(&xop->src_pt_cmd->se_cmd, 0);
- xop->dst_pt_cmd->se_cmd.se_cmd_flags &= ~SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC;
-
transport_generic_free_cmd(&xop->dst_pt_cmd->se_cmd, 0);
}

xcopy_pt_undepend_remotedev(xop);
+ target_free_sgl(xop->xop_data_sg, xop->xop_data_nents);
kfree(xop);

pr_debug("target_xcopy_do_work: Final src_lba: %llu, dst_lba: %llu\n",
@@ -838,6 +801,7 @@ static void target_xcopy_do_work(struct work_struct *work)

out:
xcopy_pt_undepend_remotedev(xop);
+ target_free_sgl(xop->xop_data_sg, xop->xop_data_nents);

err_free:
kfree(xop);
diff --git a/drivers/target/target_core_xcopy.h b/drivers/target/target_core_xcopy.h
index 974bc1e19ff2..a1805a14eea0 100644
--- a/drivers/target/target_core_xcopy.h
+++ b/drivers/target/target_core_xcopy.h
@@ -41,6 +41,7 @@ struct xcopy_op {
struct xcopy_pt_cmd *src_pt_cmd;
struct xcopy_pt_cmd *dst_pt_cmd;

+ u32 xop_data_bytes;
u32 xop_data_nents;
struct scatterlist *xop_data_sg;
struct work_struct xop_work;
diff --git a/drivers/tty/hvc/hvsi.c b/drivers/tty/hvc/hvsi.c
index 66f95f758be0..73226337f561 100644
--- a/drivers/tty/hvc/hvsi.c
+++ b/drivers/tty/hvc/hvsi.c
@@ -1038,7 +1038,7 @@ static const struct tty_operations hvsi_ops = {

static int __init hvsi_init(void)
{
- int i;
+ int i, ret;

hvsi_driver = alloc_tty_driver(hvsi_count);
if (!hvsi_driver)
@@ -1069,12 +1069,25 @@ static int __init hvsi_init(void)
}
hvsi_wait = wait_for_state; /* irqs active now */

- if (tty_register_driver(hvsi_driver))
- panic("Couldn't register hvsi console driver\n");
+ ret = tty_register_driver(hvsi_driver);
+ if (ret) {
+ pr_err("Couldn't register hvsi console driver\n");
+ goto err_free_irq;
+ }

printk(KERN_DEBUG "HVSI: registered %i devices\n", hvsi_count);

return 0;
+err_free_irq:
+ hvsi_wait = poll_for_state;
+ for (i = 0; i < hvsi_count; i++) {
+ struct hvsi_struct *hp = &hvsi_ports[i];
+
+ free_irq(hp->virq, hp);
+ }
+ tty_driver_kref_put(hvsi_driver);
+
+ return ret;
}
device_initcall(hvsi_init);

diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 43fc5b6a25d3..a2bb103f22fc 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -89,7 +89,7 @@ static void moan_device(const char *str, struct pci_dev *dev)

static int
setup_port(struct serial_private *priv, struct uart_8250_port *port,
- int bar, int offset, int regshift)
+ u8 bar, unsigned int offset, int regshift)
{
struct pci_dev *dev = priv->dev;

diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 8a7c6d65f10e..777ef1a9591c 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -125,7 +125,8 @@ static const struct serial8250_config uart_config[] = {
.name = "16C950/954",
.fifo_size = 128,
.tx_loadsz = 128,
- .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10,
+ .fcr = UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_01,
+ .rxtrig_bytes = {16, 32, 112, 120},
/* UART_CAP_EFR breaks billionon CF bluetooth card. */
.flags = UART_CAP_FIFO | UART_CAP_SLEEP,
},
diff --git a/drivers/tty/serial/jsm/jsm_neo.c b/drivers/tty/serial/jsm/jsm_neo.c
index bf0e2a4cb0ce..c6f927a76c3b 100644
--- a/drivers/tty/serial/jsm/jsm_neo.c
+++ b/drivers/tty/serial/jsm/jsm_neo.c
@@ -815,7 +815,9 @@ static void neo_parse_isr(struct jsm_board *brd, u32 port)
/* Parse any modem signal changes */
jsm_dbg(INTR, &ch->ch_bd->pci_dev,
"MOD_STAT: sending to parse_modem_sigs\n");
+ spin_lock_irqsave(&ch->uart_port.lock, lock_flags);
neo_parse_modem(ch, readb(&ch->ch_neo_uart->msr));
+ spin_unlock_irqrestore(&ch->uart_port.lock, lock_flags);
}
}

diff --git a/drivers/tty/serial/jsm/jsm_tty.c b/drivers/tty/serial/jsm/jsm_tty.c
index 689774c073ca..8438454ca653 100644
--- a/drivers/tty/serial/jsm/jsm_tty.c
+++ b/drivers/tty/serial/jsm/jsm_tty.c
@@ -187,6 +187,7 @@ static void jsm_tty_break(struct uart_port *port, int break_state)

static int jsm_tty_open(struct uart_port *port)
{
+ unsigned long lock_flags;
struct jsm_board *brd;
struct jsm_channel *channel =
container_of(port, struct jsm_channel, uart_port);
@@ -240,6 +241,7 @@ static int jsm_tty_open(struct uart_port *port)
channel->ch_cached_lsr = 0;
channel->ch_stops_sent = 0;

+ spin_lock_irqsave(&port->lock, lock_flags);
termios = &port->state->port.tty->termios;
channel->ch_c_cflag = termios->c_cflag;
channel->ch_c_iflag = termios->c_iflag;
@@ -259,6 +261,7 @@ static int jsm_tty_open(struct uart_port *port)
jsm_carrier(channel);

channel->ch_open_count++;
+ spin_unlock_irqrestore(&port->lock, lock_flags);

jsm_dbg(OPEN, &channel->ch_bd->pci_dev, "finish\n");
return 0;
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 97ee1fc1cd24..ecff9b208808 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1763,6 +1763,10 @@ static irqreturn_t sci_br_interrupt(int irq, void *ptr)

/* Handle BREAKs */
sci_handle_breaks(port);
+
+ /* drop invalid character received before break was detected */
+ serial_port_in(port, SCxRDR);
+
sci_clear_SCxSR(port, SCxSR_BREAK_CLEAR(port));

return IRQ_HANDLED;
@@ -1842,7 +1846,8 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
ret = sci_er_interrupt(irq, ptr);

/* Break Interrupt */
- if ((ssr_status & SCxSR_BRK(port)) && err_enabled)
+ if (s->irqs[SCIx_ERI_IRQ] != s->irqs[SCIx_BRI_IRQ] &&
+ (ssr_status & SCxSR_BRK(port)) && err_enabled)
ret = sci_br_interrupt(irq, ptr);

/* Overrun Interrupt */
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index 48e4a5ca1835..f5f56ee07729 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -233,18 +233,26 @@ static int ci_ehci_hub_control(
)
{
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+ unsigned int ports = HCS_N_PORTS(ehci->hcs_params);
u32 __iomem *status_reg;
- u32 temp;
+ u32 temp, port_index;
unsigned long flags;
int retval = 0;
struct device *dev = hcd->self.controller;
struct ci_hdrc *ci = dev_get_drvdata(dev);

- status_reg = &ehci->regs->port_status[(wIndex & 0xff) - 1];
+ port_index = wIndex & 0xff;
+ port_index -= (port_index > 0);
+ status_reg = &ehci->regs->port_status[port_index];

spin_lock_irqsave(&ehci->lock, flags);

if (typeReq == SetPortFeature && wValue == USB_PORT_FEAT_SUSPEND) {
+ if (!wIndex || wIndex > ports) {
+ retval = -EPIPE;
+ goto done;
+ }
+
temp = ehci_readl(ehci, status_reg);
if ((temp & PORT_PE) == 0 || (temp & PORT_RESET) != 0) {
retval = -EPIPE;
@@ -273,7 +281,7 @@ static int ci_ehci_hub_control(
ehci_writel(ehci, temp, status_reg);
}

- set_bit((wIndex & 0xff) - 1, &ehci->suspended_ports);
+ set_bit(port_index, &ehci->suspended_ports);
goto done;
}

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 24dad1d78d1e..6bd3fdb925cd 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -481,7 +481,7 @@ static u8 encode_bMaxPower(enum usb_device_speed speed,
{
unsigned val;

- if (c->MaxPower)
+ if (c->MaxPower || (c->bmAttributes & USB_CONFIG_ATT_SELFPOWER))
val = c->MaxPower;
else
val = CONFIG_USB_GADGET_VBUS_DRAW;
@@ -905,7 +905,11 @@ static int set_config(struct usb_composite_dev *cdev,
}

/* when we return, be sure our power usage is valid */
- power = c->MaxPower ? c->MaxPower : CONFIG_USB_GADGET_VBUS_DRAW;
+ if (c->MaxPower || (c->bmAttributes & USB_CONFIG_ATT_SELFPOWER))
+ power = c->MaxPower;
+ else
+ power = CONFIG_USB_GADGET_VBUS_DRAW;
+
if (gadget->speed < USB_SPEED_SUPER)
power = min(power, 500U);
else
diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c
index 99b840daf3d9..57da62e33184 100644
--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -491,8 +491,9 @@ static netdev_tx_t eth_start_xmit(struct sk_buff *skb,
}
spin_unlock_irqrestore(&dev->lock, flags);

- if (skb && !in) {
- dev_kfree_skb_any(skb);
+ if (!in) {
+ if (skb)
+ dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}

diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c
index b6f196f5e252..b0e0f8ea98a9 100644
--- a/drivers/usb/host/ehci-mv.c
+++ b/drivers/usb/host/ehci-mv.c
@@ -41,26 +41,25 @@ struct ehci_hcd_mv {
int (*set_vbus)(unsigned int vbus);
};

-static void ehci_clock_enable(struct ehci_hcd_mv *ehci_mv)
+static int mv_ehci_enable(struct ehci_hcd_mv *ehci_mv)
{
- clk_prepare_enable(ehci_mv->clk);
-}
+ int retval;

-static void ehci_clock_disable(struct ehci_hcd_mv *ehci_mv)
-{
- clk_disable_unprepare(ehci_mv->clk);
-}
+ retval = clk_prepare_enable(ehci_mv->clk);
+ if (retval)
+ return retval;

-static int mv_ehci_enable(struct ehci_hcd_mv *ehci_mv)
-{
- ehci_clock_enable(ehci_mv);
- return phy_init(ehci_mv->phy);
+ retval = phy_init(ehci_mv->phy);
+ if (retval)
+ clk_disable_unprepare(ehci_mv->clk);
+
+ return retval;
}

static void mv_ehci_disable(struct ehci_hcd_mv *ehci_mv)
{
phy_exit(ehci_mv->phy);
- ehci_clock_disable(ehci_mv);
+ clk_disable_unprepare(ehci_mv->clk);
}

static int mv_ehci_reset(struct usb_hcd *hcd)
diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c
index c3f74d6674e1..f457e083a6f8 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -2511,11 +2511,6 @@ static unsigned qh_completions(struct fotg210_hcd *fotg210,
return count;
}

-/* high bandwidth multiplier, as encoded in highspeed endpoint descriptors */
-#define hb_mult(wMaxPacketSize) (1 + (((wMaxPacketSize) >> 11) & 0x03))
-/* ... and packet size, for any kind of endpoint descriptor */
-#define max_packet(wMaxPacketSize) ((wMaxPacketSize) & 0x07ff)
-
/* reverse of qh_urb_transaction: free a list of TDs.
* used for cleanup after errors, before HC sees an URB's TDs.
*/
@@ -2601,7 +2596,7 @@ static struct list_head *qh_urb_transaction(struct fotg210_hcd *fotg210,
token |= (1 /* "in" */ << 8);
/* else it's already initted to "out" pid (0 << 8) */

- maxpacket = max_packet(usb_maxpacket(urb->dev, urb->pipe, !is_input));
+ maxpacket = usb_maxpacket(urb->dev, urb->pipe, !is_input);

/*
* buffer gets wrapped in one or more qtds;
@@ -2715,9 +2710,11 @@ static struct fotg210_qh *qh_make(struct fotg210_hcd *fotg210, struct urb *urb,
gfp_t flags)
{
struct fotg210_qh *qh = fotg210_qh_alloc(fotg210, flags);
+ struct usb_host_endpoint *ep;
u32 info1 = 0, info2 = 0;
int is_input, type;
int maxp = 0;
+ int mult;
struct usb_tt *tt = urb->dev->tt;
struct fotg210_qh_hw *hw;

@@ -2732,14 +2729,15 @@ static struct fotg210_qh *qh_make(struct fotg210_hcd *fotg210, struct urb *urb,

is_input = usb_pipein(urb->pipe);
type = usb_pipetype(urb->pipe);
- maxp = usb_maxpacket(urb->dev, urb->pipe, !is_input);
+ ep = usb_pipe_endpoint(urb->dev, urb->pipe);
+ maxp = usb_endpoint_maxp(&ep->desc);
+ mult = usb_endpoint_maxp_mult(&ep->desc);

/* 1024 byte maxpacket is a hardware ceiling. High bandwidth
* acts like up to 3KB, but is built from smaller packets.
*/
- if (max_packet(maxp) > 1024) {
- fotg210_dbg(fotg210, "bogus qh maxpacket %d\n",
- max_packet(maxp));
+ if (maxp > 1024) {
+ fotg210_dbg(fotg210, "bogus qh maxpacket %d\n", maxp);
goto done;
}

@@ -2753,8 +2751,7 @@ static struct fotg210_qh *qh_make(struct fotg210_hcd *fotg210, struct urb *urb,
*/
if (type == PIPE_INTERRUPT) {
qh->usecs = NS_TO_US(usb_calc_bus_time(USB_SPEED_HIGH,
- is_input, 0,
- hb_mult(maxp) * max_packet(maxp)));
+ is_input, 0, mult * maxp));
qh->start = NO_FRAME;

if (urb->dev->speed == USB_SPEED_HIGH) {
@@ -2791,7 +2788,7 @@ static struct fotg210_qh *qh_make(struct fotg210_hcd *fotg210, struct urb *urb,
think_time = tt ? tt->think_time : 0;
qh->tt_usecs = NS_TO_US(think_time +
usb_calc_bus_time(urb->dev->speed,
- is_input, 0, max_packet(maxp)));
+ is_input, 0, maxp));
qh->period = urb->interval;
if (qh->period > fotg210->periodic_size) {
qh->period = fotg210->periodic_size;
@@ -2854,11 +2851,11 @@ static struct fotg210_qh *qh_make(struct fotg210_hcd *fotg210, struct urb *urb,
* to help them do so. So now people expect to use
* such nonconformant devices with Linux too; sigh.
*/
- info1 |= max_packet(maxp) << 16;
+ info1 |= maxp << 16;
info2 |= (FOTG210_TUNE_MULT_HS << 30);
} else { /* PIPE_INTERRUPT */
- info1 |= max_packet(maxp) << 16;
- info2 |= hb_mult(maxp) << 30;
+ info1 |= maxp << 16;
+ info2 |= mult << 30;
}
break;
default:
@@ -3928,6 +3925,7 @@ static void iso_stream_init(struct fotg210_hcd *fotg210,
int is_input;
long bandwidth;
unsigned multi;
+ struct usb_host_endpoint *ep;

/*
* this might be a "high bandwidth" highspeed endpoint,
@@ -3935,14 +3933,14 @@ static void iso_stream_init(struct fotg210_hcd *fotg210,
*/
epnum = usb_pipeendpoint(pipe);
is_input = usb_pipein(pipe) ? USB_DIR_IN : 0;
- maxp = usb_maxpacket(dev, pipe, !is_input);
+ ep = usb_pipe_endpoint(dev, pipe);
+ maxp = usb_endpoint_maxp(&ep->desc);
if (is_input)
buf1 = (1 << 11);
else
buf1 = 0;

- maxp = max_packet(maxp);
- multi = hb_mult(maxp);
+ multi = usb_endpoint_maxp_mult(&ep->desc);
buf1 |= maxp;
maxp *= multi;

@@ -4463,13 +4461,12 @@ static bool itd_complete(struct fotg210_hcd *fotg210, struct fotg210_itd *itd)

/* HC need not update length with this error */
if (!(t & FOTG210_ISOC_BABBLE)) {
- desc->actual_length =
- fotg210_itdlen(urb, desc, t);
+ desc->actual_length = FOTG210_ITD_LENGTH(t);
urb->actual_length += desc->actual_length;
}
} else if (likely((t & FOTG210_ISOC_ACTIVE) == 0)) {
desc->status = 0;
- desc->actual_length = fotg210_itdlen(urb, desc, t);
+ desc->actual_length = FOTG210_ITD_LENGTH(t);
urb->actual_length += desc->actual_length;
} else {
/* URB was too late */
diff --git a/drivers/usb/host/fotg210.h b/drivers/usb/host/fotg210.h
index 1b4db95e5c43..291add93d84e 100644
--- a/drivers/usb/host/fotg210.h
+++ b/drivers/usb/host/fotg210.h
@@ -686,11 +686,6 @@ static inline unsigned fotg210_read_frame_index(struct fotg210_hcd *fotg210)
return fotg210_readl(fotg210, &fotg210->regs->frame_index);
}

-#define fotg210_itdlen(urb, desc, t) ({ \
- usb_pipein((urb)->pipe) ? \
- (desc)->length - FOTG210_ITD_LENGTH(t) : \
- FOTG210_ITD_LENGTH(t); \
-})
/*-------------------------------------------------------------------------*/

#endif /* __LINUX_FOTG210_H */
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index a3813c75a3de..505da4999e20 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -4662,19 +4662,19 @@ static u16 xhci_calculate_u1_timeout(struct xhci_hcd *xhci,
{
unsigned long long timeout_ns;

- if (xhci->quirks & XHCI_INTEL_HOST)
- timeout_ns = xhci_calculate_intel_u1_timeout(udev, desc);
- else
- timeout_ns = udev->u1_params.sel;
-
/* Prevent U1 if service interval is shorter than U1 exit latency */
if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) {
- if (xhci_service_interval_to_ns(desc) <= timeout_ns) {
+ if (xhci_service_interval_to_ns(desc) <= udev->u1_params.mel) {
dev_dbg(&udev->dev, "Disable U1, ESIT shorter than exit latency\n");
return USB3_LPM_DISABLED;
}
}

+ if (xhci->quirks & XHCI_INTEL_HOST)
+ timeout_ns = xhci_calculate_intel_u1_timeout(udev, desc);
+ else
+ timeout_ns = udev->u1_params.sel;
+
/* The U1 timeout is encoded in 1us intervals.
* Don't return a timeout of zero, because that's USB3_LPM_DISABLED.
*/
@@ -4726,19 +4726,19 @@ static u16 xhci_calculate_u2_timeout(struct xhci_hcd *xhci,
{
unsigned long long timeout_ns;

- if (xhci->quirks & XHCI_INTEL_HOST)
- timeout_ns = xhci_calculate_intel_u2_timeout(udev, desc);
- else
- timeout_ns = udev->u2_params.sel;
-
/* Prevent U2 if service interval is shorter than U2 exit latency */
if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) {
- if (xhci_service_interval_to_ns(desc) <= timeout_ns) {
+ if (xhci_service_interval_to_ns(desc) <= udev->u2_params.mel) {
dev_dbg(&udev->dev, "Disable U2, ESIT shorter than exit latency\n");
return USB3_LPM_DISABLED;
}
}

+ if (xhci->quirks & XHCI_INTEL_HOST)
+ timeout_ns = xhci_calculate_intel_u2_timeout(udev, desc);
+ else
+ timeout_ns = udev->u2_params.sel;
+
/* The U2 timeout is encoded in 256us intervals */
timeout_ns = DIV_ROUND_UP_ULL(timeout_ns, 256 * 1000);
/* If the necessary timeout value is bigger than what we can set in the
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 327d4f7baaf7..89d659cef5c6 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -890,23 +890,22 @@ static int dsps_probe(struct platform_device *pdev)
if (!glue->usbss_base)
return -ENXIO;

- if (usb_get_dr_mode(&pdev->dev) == USB_DR_MODE_PERIPHERAL) {
- ret = dsps_setup_optional_vbus_irq(pdev, glue);
- if (ret)
- goto err_iounmap;
- }
-
platform_set_drvdata(pdev, glue);
pm_runtime_enable(&pdev->dev);
ret = dsps_create_musb_pdev(glue, pdev);
if (ret)
goto err;

+ if (usb_get_dr_mode(&pdev->dev) == USB_DR_MODE_PERIPHERAL) {
+ ret = dsps_setup_optional_vbus_irq(pdev, glue);
+ if (ret)
+ goto err;
+ }
+
return 0;

err:
pm_runtime_disable(&pdev->dev);
-err_iounmap:
iounmap(glue->usbss_base);
return ret;
}
diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index 98636fbf7188..170abb06a8a4 100644
--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -455,8 +455,14 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
vhci_hcd->port_status[rhport] &= ~(1 << USB_PORT_FEAT_RESET);
vhci_hcd->re_timeout = 0;

+ /*
+ * A few drivers do usb reset during probe when
+ * the device could be in VDEV_ST_USED state
+ */
if (vhci_hcd->vdev[rhport].ud.status ==
- VDEV_ST_NOTASSIGNED) {
+ VDEV_ST_NOTASSIGNED ||
+ vhci_hcd->vdev[rhport].ud.status ==
+ VDEV_ST_USED) {
usbip_dbg_vhci_rh(
" enable rhport %d (status %u)\n",
rhport,
@@ -952,8 +958,32 @@ static void vhci_device_unlink_cleanup(struct vhci_device *vdev)
spin_lock(&vdev->priv_lock);

list_for_each_entry_safe(unlink, tmp, &vdev->unlink_tx, list) {
+ struct urb *urb;
+
+ /* give back urb of unsent unlink request */
pr_info("unlink cleanup tx %lu\n", unlink->unlink_seqnum);
+
+ urb = pickup_urb_and_free_priv(vdev, unlink->unlink_seqnum);
+ if (!urb) {
+ list_del(&unlink->list);
+ kfree(unlink);
+ continue;
+ }
+
+ urb->status = -ENODEV;
+
+ usb_hcd_unlink_urb_from_ep(hcd, urb);
+
list_del(&unlink->list);
+
+ spin_unlock(&vdev->priv_lock);
+ spin_unlock_irqrestore(&vhci->lock, flags);
+
+ usb_hcd_giveback_urb(hcd, urb, urb->status);
+
+ spin_lock_irqsave(&vhci->lock, flags);
+ spin_lock(&vdev->priv_lock);
+
kfree(unlink);
}

diff --git a/drivers/vfio/Kconfig b/drivers/vfio/Kconfig
index 503ed2f3fbb5..65743de8aad1 100644
--- a/drivers/vfio/Kconfig
+++ b/drivers/vfio/Kconfig
@@ -29,7 +29,7 @@ menuconfig VFIO

If you don't know what to do here, say N.

-menuconfig VFIO_NOIOMMU
+config VFIO_NOIOMMU
bool "VFIO No-IOMMU support"
depends on VFIO
help
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 48e574ae6033..cec9173aac6f 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -466,7 +466,7 @@ static void vhost_tx_batch(struct vhost_net *net,
.num = nvq->batched_xdp,
.ptr = nvq->xdp,
};
- int err;
+ int i, err;

if (nvq->batched_xdp == 0)
goto signal_used;
@@ -475,6 +475,15 @@ static void vhost_tx_batch(struct vhost_net *net,
err = sock->ops->sendmsg(sock, msghdr, 0);
if (unlikely(err < 0)) {
vq_err(&nvq->vq, "Fail to batch sending packets\n");
+
+ /* free pages owned by XDP; since this is an unlikely error path,
+ * keep it simple and avoid more complex bulk update for the
+ * used pages
+ */
+ for (i = 0; i < nvq->batched_xdp; ++i)
+ put_page(virt_to_head_page(nvq->xdp[i].data));
+ nvq->batched_xdp = 0;
+ nvq->done_idx = 0;
return;
}

diff --git a/drivers/video/fbdev/asiliantfb.c b/drivers/video/fbdev/asiliantfb.c
index ea31054a28ca..c1d6e6336225 100644
--- a/drivers/video/fbdev/asiliantfb.c
+++ b/drivers/video/fbdev/asiliantfb.c
@@ -227,6 +227,9 @@ static int asiliantfb_check_var(struct fb_var_screeninfo *var,
{
unsigned long Ftarget, ratio, remainder;

+ if (!var->pixclock)
+ return -EINVAL;
+
ratio = 1000000 / var->pixclock;
remainder = 1000000 % var->pixclock;
Ftarget = 1000000 * ratio + (1000000 * remainder) / var->pixclock;
diff --git a/drivers/video/fbdev/kyro/fbdev.c b/drivers/video/fbdev/kyro/fbdev.c
index a7bd9f25911b..74bf26b527b9 100644
--- a/drivers/video/fbdev/kyro/fbdev.c
+++ b/drivers/video/fbdev/kyro/fbdev.c
@@ -372,6 +372,11 @@ static int kyro_dev_overlay_viewport_set(u32 x, u32 y, u32 ulWidth, u32 ulHeight
/* probably haven't called CreateOverlay yet */
return -EINVAL;

+ if (ulWidth == 0 || ulWidth == 0xffffffff ||
+ ulHeight == 0 || ulHeight == 0xffffffff ||
+ (x < 2 && ulWidth + 2 == 0))
+ return -EINVAL;
+
/* Stop Ramdac Output */
DisableRamdacOutput(deviceInfo.pSTGReg);

@@ -394,6 +399,9 @@ static int kyrofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct kyrofb_info *par = info->par;

+ if (!var->pixclock)
+ return -EINVAL;
+
if (var->bits_per_pixel != 16 && var->bits_per_pixel != 32) {
printk(KERN_WARNING "kyrofb: depth not supported: %u\n", var->bits_per_pixel);
return -EINVAL;
diff --git a/drivers/video/fbdev/riva/fbdev.c b/drivers/video/fbdev/riva/fbdev.c
index ca593a3e41d7..51c9d9508c0b 100644
--- a/drivers/video/fbdev/riva/fbdev.c
+++ b/drivers/video/fbdev/riva/fbdev.c
@@ -1088,6 +1088,9 @@ static int rivafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
int mode_valid = 0;

NVTRACE_ENTER();
+ if (!var->pixclock)
+ return -EINVAL;
+
switch (var->bits_per_pixel) {
case 1 ... 8:
var->red.offset = var->green.offset = var->blue.offset = 0;
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index dacd67dca43f..946ae198b344 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2894,6 +2894,29 @@ int open_ctree(struct super_block *sb,
*/
fs_info->compress_type = BTRFS_COMPRESS_ZLIB;

+ /*
+ * Flag our filesystem as having big metadata blocks if they are bigger
+ * than the page size
+ */
+ if (btrfs_super_nodesize(disk_super) > PAGE_SIZE) {
+ if (!(features & BTRFS_FEATURE_INCOMPAT_BIG_METADATA))
+ btrfs_info(fs_info,
+ "flagging fs with big metadata feature");
+ features |= BTRFS_FEATURE_INCOMPAT_BIG_METADATA;
+ }
+
+ /* Set up fs_info before parsing mount options */
+ nodesize = btrfs_super_nodesize(disk_super);
+ sectorsize = btrfs_super_sectorsize(disk_super);
+ stripesize = sectorsize;
+ fs_info->dirty_metadata_batch = nodesize * (1 + ilog2(nr_cpu_ids));
+ fs_info->delalloc_batch = sectorsize * 512 * (1 + ilog2(nr_cpu_ids));
+
+ /* Cache block sizes */
+ fs_info->nodesize = nodesize;
+ fs_info->sectorsize = sectorsize;
+ fs_info->stripesize = stripesize;
+
ret = btrfs_parse_options(fs_info, options, sb->s_flags);
if (ret) {
err = ret;
@@ -2920,28 +2943,6 @@ int open_ctree(struct super_block *sb,
if (features & BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA)
btrfs_info(fs_info, "has skinny extents");

- /*
- * flag our filesystem as having big metadata blocks if
- * they are bigger than the page size
- */
- if (btrfs_super_nodesize(disk_super) > PAGE_SIZE) {
- if (!(features & BTRFS_FEATURE_INCOMPAT_BIG_METADATA))
- btrfs_info(fs_info,
- "flagging fs with big metadata feature");
- features |= BTRFS_FEATURE_INCOMPAT_BIG_METADATA;
- }
-
- nodesize = btrfs_super_nodesize(disk_super);
- sectorsize = btrfs_super_sectorsize(disk_super);
- stripesize = sectorsize;
- fs_info->dirty_metadata_batch = nodesize * (1 + ilog2(nr_cpu_ids));
- fs_info->delalloc_batch = sectorsize * 512 * (1 + ilog2(nr_cpu_ids));
-
- /* Cache block sizes */
- fs_info->nodesize = nodesize;
- fs_info->sectorsize = sectorsize;
- fs_info->stripesize = stripesize;
-
/*
* mixed block groups end up with duplicate but slightly offset
* extent buffers for the same range. It leads to corruptions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 33b8fedab6c6..b859ed50cf46 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1200,11 +1200,6 @@ static noinline void async_cow_submit(struct btrfs_work *work)
nr_pages = (async_chunk->end - async_chunk->start + PAGE_SIZE) >>
PAGE_SHIFT;

- /* atomic_sub_return implies a barrier */
- if (atomic_sub_return(nr_pages, &fs_info->async_delalloc_pages) <
- 5 * SZ_1M)
- cond_wake_up_nomb(&fs_info->async_submit_wait);
-
/*
* ->inode could be NULL if async_chunk_start has failed to compress,
* in which case we don't have anything to submit, yet we need to
@@ -1213,6 +1208,11 @@ static noinline void async_cow_submit(struct btrfs_work *work)
*/
if (async_chunk->inode)
submit_compressed_extents(async_chunk);
+
+ /* atomic_sub_return implies a barrier */
+ if (atomic_sub_return(nr_pages, &fs_info->async_delalloc_pages) <
+ 5 * SZ_1M)
+ cond_wake_up_nomb(&fs_info->async_submit_wait);
}

static noinline void async_cow_free(struct btrfs_work *work)
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 5412361d0c27..8ea4b3da85d1 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -719,7 +719,9 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
*/
ret = btrfs_lookup_data_extent(fs_info, ins.objectid,
ins.offset);
- if (ret == 0) {
+ if (ret < 0) {
+ goto out;
+ } else if (ret == 0) {
btrfs_init_generic_ref(&ref,
BTRFS_ADD_DELAYED_REF,
ins.objectid, ins.offset, 0);
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index e882c790292f..8deee49a6b3f 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1311,6 +1311,9 @@ static void btrfs_close_one_device(struct btrfs_device *device)
fs_devices->rw_devices--;
}

+ if (device->devid == BTRFS_DEV_REPLACE_DEVID)
+ clear_bit(BTRFS_DEV_STATE_REPLACE_TGT, &device->dev_state);
+
if (test_bit(BTRFS_DEV_STATE_MISSING, &device->dev_state))
fs_devices->missing_devices--;

diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 85bd644f9773..30f841a880ac 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -610,7 +610,7 @@ sess_alloc_buffer(struct sess_data *sess_data, int wct)
return 0;

out_free_smb_buf:
- kfree(smb_buf);
+ cifs_small_buf_release(smb_buf);
sess_data->iov[0].iov_base = NULL;
sess_data->iov[0].iov_len = 0;
sess_data->buf0_type = CIFS_NO_BUFFER;
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index a57219c51c01..f7d27cbbeb86 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -583,7 +583,7 @@ int f2fs_acquire_orphan_inode(struct f2fs_sb_info *sbi)

if (time_to_inject(sbi, FAULT_ORPHAN)) {
spin_unlock(&im->ino_lock);
- f2fs_show_injection_info(FAULT_ORPHAN);
+ f2fs_show_injection_info(sbi, FAULT_ORPHAN);
return -ENOSPC;
}

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 64ee2a064e33..1679f9c0b63b 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -167,9 +167,10 @@ static bool f2fs_bio_post_read_required(struct bio *bio)

static void f2fs_read_end_io(struct bio *bio)
{
- if (time_to_inject(F2FS_P_SB(bio_first_page_all(bio)),
- FAULT_READ_IO)) {
- f2fs_show_injection_info(FAULT_READ_IO);
+ struct f2fs_sb_info *sbi = F2FS_P_SB(bio_first_page_all(bio));
+
+ if (time_to_inject(sbi, FAULT_READ_IO)) {
+ f2fs_show_injection_info(sbi, FAULT_READ_IO);
bio->bi_status = BLK_STS_IOERR;
}

@@ -191,7 +192,7 @@ static void f2fs_write_end_io(struct bio *bio)
struct bvec_iter_all iter_all;

if (time_to_inject(sbi, FAULT_WRITE_IO)) {
- f2fs_show_injection_info(FAULT_WRITE_IO);
+ f2fs_show_injection_info(sbi, FAULT_WRITE_IO);
bio->bi_status = BLK_STS_IOERR;
}

@@ -1190,7 +1191,21 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
if (err) {
if (flag == F2FS_GET_BLOCK_BMAP)
map->m_pblk = 0;
+
if (err == -ENOENT) {
+ /*
+ * There is one exceptional case that read_node_page()
+ * may return -ENOENT due to filesystem has been
+ * shutdown or cp_error, so force to convert error
+ * number to EIO for such case.
+ */
+ if (map->m_may_create &&
+ (is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN) ||
+ f2fs_cp_error(sbi))) {
+ err = -EIO;
+ goto unlock_out;
+ }
+
err = 0;
if (map->m_next_pgofs)
*map->m_next_pgofs =
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 78d041f9775a..99c4a868d73b 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -618,7 +618,7 @@ int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name,

start:
if (time_to_inject(F2FS_I_SB(dir), FAULT_DIR_DEPTH)) {
- f2fs_show_injection_info(FAULT_DIR_DEPTH);
+ f2fs_show_injection_info(F2FS_I_SB(dir), FAULT_DIR_DEPTH);
return -ENOSPC;
}

@@ -892,6 +892,7 @@ int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
struct f2fs_sb_info *sbi = F2FS_I_SB(d->inode);
struct blk_plug plug;
bool readdir_ra = sbi->readdir_ra == 1;
+ bool found_valid_dirent = false;
int err = 0;

bit_pos = ((unsigned long)ctx->pos % d->max);
@@ -906,12 +907,15 @@ int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,

de = &d->dentry[bit_pos];
if (de->name_len == 0) {
+ if (found_valid_dirent || !bit_pos) {
+ printk_ratelimited(
+ "%sF2FS-fs (%s): invalid namelen(0), ino:%u, run fsck to fix.",
+ KERN_WARNING, sbi->sb->s_id,
+ le32_to_cpu(de->ino));
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ }
bit_pos++;
ctx->pos = start_pos + bit_pos;
- printk_ratelimited(
- "%s, invalid namelen(0), ino:%u, run fsck to fix.",
- KERN_WARNING, le32_to_cpu(de->ino));
- set_sbi_flag(sbi, SBI_NEED_FSCK);
continue;
}

@@ -954,6 +958,7 @@ int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
f2fs_ra_node_page(sbi, le32_to_cpu(de->ino));

ctx->pos = start_pos + bit_pos;
+ found_valid_dirent = true;
}
out:
if (readdir_ra)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 4ca3c2a0a0f5..031a17bf52a2 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -1374,9 +1374,10 @@ struct f2fs_private_dio {
};

#ifdef CONFIG_F2FS_FAULT_INJECTION
-#define f2fs_show_injection_info(type) \
- printk_ratelimited("%sF2FS-fs : inject %s in %s of %pS\n", \
- KERN_INFO, f2fs_fault_name[type], \
+#define f2fs_show_injection_info(sbi, type) \
+ printk_ratelimited("%sF2FS-fs (%s) : inject %s in %s of %pS\n", \
+ KERN_INFO, sbi->sb->s_id, \
+ f2fs_fault_name[type], \
__func__, __builtin_return_address(0))
static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
{
@@ -1396,7 +1397,7 @@ static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
return false;
}
#else
-#define f2fs_show_injection_info(type) do { } while (0)
+#define f2fs_show_injection_info(sbi, type) do { } while (0)
static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type)
{
return false;
@@ -1781,7 +1782,7 @@ static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
return ret;

if (time_to_inject(sbi, FAULT_BLOCK)) {
- f2fs_show_injection_info(FAULT_BLOCK);
+ f2fs_show_injection_info(sbi, FAULT_BLOCK);
release = *count;
goto release_quota;
}
@@ -2033,7 +2034,7 @@ static inline int inc_valid_node_count(struct f2fs_sb_info *sbi,
}

if (time_to_inject(sbi, FAULT_BLOCK)) {
- f2fs_show_injection_info(FAULT_BLOCK);
+ f2fs_show_injection_info(sbi, FAULT_BLOCK);
goto enospc;
}

@@ -2148,7 +2149,8 @@ static inline struct page *f2fs_grab_cache_page(struct address_space *mapping,
return page;

if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) {
- f2fs_show_injection_info(FAULT_PAGE_ALLOC);
+ f2fs_show_injection_info(F2FS_M_SB(mapping),
+ FAULT_PAGE_ALLOC);
return NULL;
}
}
@@ -2163,7 +2165,7 @@ static inline struct page *f2fs_pagecache_get_page(
int fgp_flags, gfp_t gfp_mask)
{
if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) {
- f2fs_show_injection_info(FAULT_PAGE_GET);
+ f2fs_show_injection_info(F2FS_M_SB(mapping), FAULT_PAGE_GET);
return NULL;
}

@@ -2232,7 +2234,7 @@ static inline struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi,
return bio;
}
if (time_to_inject(sbi, FAULT_ALLOC_BIO)) {
- f2fs_show_injection_info(FAULT_ALLOC_BIO);
+ f2fs_show_injection_info(sbi, FAULT_ALLOC_BIO);
return NULL;
}

@@ -2797,7 +2799,7 @@ static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi,
size_t size, gfp_t flags)
{
if (time_to_inject(sbi, FAULT_KMALLOC)) {
- f2fs_show_injection_info(FAULT_KMALLOC);
+ f2fs_show_injection_info(sbi, FAULT_KMALLOC);
return NULL;
}

@@ -2814,7 +2816,7 @@ static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi,
size_t size, gfp_t flags)
{
if (time_to_inject(sbi, FAULT_KVMALLOC)) {
- f2fs_show_injection_info(FAULT_KVMALLOC);
+ f2fs_show_injection_info(sbi, FAULT_KVMALLOC);
return NULL;
}

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 6e58b2e62b18..516007bb1ced 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -682,7 +682,7 @@ int f2fs_truncate(struct inode *inode)
trace_f2fs_truncate(inode);

if (time_to_inject(F2FS_I_SB(inode), FAULT_TRUNCATE)) {
- f2fs_show_injection_info(FAULT_TRUNCATE);
+ f2fs_show_injection_info(F2FS_I_SB(inode), FAULT_TRUNCATE);
return -EIO;
}

@@ -981,7 +981,6 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
}

if (pg_start < pg_end) {
- struct address_space *mapping = inode->i_mapping;
loff_t blk_start, blk_end;
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);

@@ -993,8 +992,7 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
down_write(&F2FS_I(inode)->i_mmap_sem);

- truncate_inode_pages_range(mapping, blk_start,
- blk_end - 1);
+ truncate_pagecache_range(inode, blk_start, blk_end - 1);

f2fs_lock_op(sbi);
ret = f2fs_truncate_hole(inode, pg_start, pg_end);
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index a78aa5480454..4b6c36208f55 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -54,7 +54,7 @@ static int gc_thread_func(void *data)
}

if (time_to_inject(sbi, FAULT_CHECKPOINT)) {
- f2fs_show_injection_info(FAULT_CHECKPOINT);
+ f2fs_show_injection_info(sbi, FAULT_CHECKPOINT);
f2fs_stop_checkpoint(sbi, false);
}

@@ -1095,8 +1095,10 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
int err;

if (S_ISREG(inode->i_mode)) {
- if (!down_write_trylock(&fi->i_gc_rwsem[READ]))
+ if (!down_write_trylock(&fi->i_gc_rwsem[READ])) {
+ sbi->skipped_gc_rwsem++;
continue;
+ }
if (!down_write_trylock(
&fi->i_gc_rwsem[WRITE])) {
sbi->skipped_gc_rwsem++;
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 386ad54c13c3..502bd491336a 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -681,7 +681,7 @@ void f2fs_evict_inode(struct inode *inode)
err = f2fs_truncate(inode);

if (time_to_inject(sbi, FAULT_EVICT_INODE)) {
- f2fs_show_injection_info(FAULT_EVICT_INODE);
+ f2fs_show_injection_info(sbi, FAULT_EVICT_INODE);
err = -EIO;
}

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 48bb5d3c709d..4cb182c20eed 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2406,7 +2406,7 @@ bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid)
struct free_nid *i = NULL;
retry:
if (time_to_inject(sbi, FAULT_ALLOC_NID)) {
- f2fs_show_injection_info(FAULT_ALLOC_NID);
+ f2fs_show_injection_info(sbi, FAULT_ALLOC_NID);
return false;
}

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 5ba677f85533..78c54bb7898d 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -489,7 +489,7 @@ int f2fs_commit_inmem_pages(struct inode *inode)
void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need)
{
if (time_to_inject(sbi, FAULT_CHECKPOINT)) {
- f2fs_show_injection_info(FAULT_CHECKPOINT);
+ f2fs_show_injection_info(sbi, FAULT_CHECKPOINT);
f2fs_stop_checkpoint(sbi, false);
}

@@ -1017,8 +1017,9 @@ static void __remove_discard_cmd(struct f2fs_sb_info *sbi,

if (dc->error)
printk_ratelimited(
- "%sF2FS-fs: Issue discard(%u, %u, %u) failed, ret: %d",
- KERN_INFO, dc->lstart, dc->start, dc->len, dc->error);
+ "%sF2FS-fs (%s): Issue discard(%u, %u, %u) failed, ret: %d",
+ KERN_INFO, sbi->sb->s_id,
+ dc->lstart, dc->start, dc->len, dc->error);
__detach_discard_cmd(dcc, dc);
}

@@ -1158,7 +1159,7 @@ static int __submit_discard_cmd(struct f2fs_sb_info *sbi,
dc->len += len;

if (time_to_inject(sbi, FAULT_DISCARD)) {
- f2fs_show_injection_info(FAULT_DISCARD);
+ f2fs_show_injection_info(sbi, FAULT_DISCARD);
err = -EIO;
goto submit;
}
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 6d904dc9bd19..41bf656658ba 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1994,6 +1994,33 @@ static int f2fs_enable_quotas(struct super_block *sb)
return 0;
}

+static int f2fs_quota_sync_file(struct f2fs_sb_info *sbi, int type)
+{
+ struct quota_info *dqopt = sb_dqopt(sbi->sb);
+ struct address_space *mapping = dqopt->files[type]->i_mapping;
+ int ret = 0;
+
+ ret = dquot_writeback_dquots(sbi->sb, type);
+ if (ret)
+ goto out;
+
+ ret = filemap_fdatawrite(mapping);
+ if (ret)
+ goto out;
+
+ /* if we are using journalled quota */
+ if (is_journalled_quota(sbi))
+ goto out;
+
+ ret = filemap_fdatawait(mapping);
+
+ truncate_inode_pages(&dqopt->files[type]->i_data, 0);
+out:
+ if (ret)
+ set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
+ return ret;
+}
+
int f2fs_quota_sync(struct super_block *sb, int type)
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
@@ -2001,57 +2028,42 @@ int f2fs_quota_sync(struct super_block *sb, int type)
int cnt;
int ret;

- /*
- * do_quotactl
- * f2fs_quota_sync
- * down_read(quota_sem)
- * dquot_writeback_dquots()
- * f2fs_dquot_commit
- * block_operation
- * down_read(quota_sem)
- */
- f2fs_lock_op(sbi);
-
- down_read(&sbi->quota_sem);
- ret = dquot_writeback_dquots(sb, type);
- if (ret)
- goto out;
-
/*
* Now when everything is written we can discard the pagecache so
* that userspace sees the changes.
*/
for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
- struct address_space *mapping;

if (type != -1 && cnt != type)
continue;
- if (!sb_has_quota_active(sb, cnt))
- continue;

- mapping = dqopt->files[cnt]->i_mapping;
+ if (!sb_has_quota_active(sb, type))
+ return 0;

- ret = filemap_fdatawrite(mapping);
- if (ret)
- goto out;
+ inode_lock(dqopt->files[cnt]);

- /* if we are using journalled quota */
- if (is_journalled_quota(sbi))
- continue;
+ /*
+ * do_quotactl
+ * f2fs_quota_sync
+ * down_read(quota_sem)
+ * dquot_writeback_dquots()
+ * f2fs_dquot_commit
+ * block_operation
+ * down_read(quota_sem)
+ */
+ f2fs_lock_op(sbi);
+ down_read(&sbi->quota_sem);

- ret = filemap_fdatawait(mapping);
- if (ret)
- set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
+ ret = f2fs_quota_sync_file(sbi, cnt);
+
+ up_read(&sbi->quota_sem);
+ f2fs_unlock_op(sbi);

- inode_lock(dqopt->files[cnt]);
- truncate_inode_pages(&dqopt->files[cnt]->i_data, 0);
inode_unlock(dqopt->files[cnt]);
+
+ if (ret)
+ break;
}
-out:
- if (ret)
- set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
- up_read(&sbi->quota_sem);
- f2fs_unlock_op(sbi);
return ret;
}

diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
index 0ce39658a620..44a426c8ea01 100644
--- a/fs/fscache/cookie.c
+++ b/fs/fscache/cookie.c
@@ -74,10 +74,8 @@ void fscache_free_cookie(struct fscache_cookie *cookie)
static int fscache_set_key(struct fscache_cookie *cookie,
const void *index_key, size_t index_key_len)
{
- unsigned long long h;
u32 *buf;
int bufs;
- int i;

bufs = DIV_ROUND_UP(index_key_len, sizeof(*buf));

@@ -91,17 +89,7 @@ static int fscache_set_key(struct fscache_cookie *cookie,
}

memcpy(buf, index_key, index_key_len);
-
- /* Calculate a hash and combine this with the length in the first word
- * or first half word
- */
- h = (unsigned long)cookie->parent;
- h += index_key_len + cookie->type;
-
- for (i = 0; i < bufs; i++)
- h += buf[i];
-
- cookie->key_hash = h ^ (h >> 32);
+ cookie->key_hash = fscache_hash(0, buf, bufs);
return 0;
}

diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h
index 9616af3768e1..d09d4e69c818 100644
--- a/fs/fscache/internal.h
+++ b/fs/fscache/internal.h
@@ -97,6 +97,8 @@ extern struct workqueue_struct *fscache_object_wq;
extern struct workqueue_struct *fscache_op_wq;
DECLARE_PER_CPU(wait_queue_head_t, fscache_object_cong_wait);

+extern unsigned int fscache_hash(unsigned int salt, unsigned int *data, unsigned int n);
+
static inline bool fscache_object_congested(void)
{
return workqueue_congested(WORK_CPU_UNBOUND, fscache_object_wq);
diff --git a/fs/fscache/main.c b/fs/fscache/main.c
index 59c2494efda3..3aa3756c7176 100644
--- a/fs/fscache/main.c
+++ b/fs/fscache/main.c
@@ -94,6 +94,45 @@ static struct ctl_table fscache_sysctls_root[] = {
};
#endif

+/*
+ * Mixing scores (in bits) for (7,20):
+ * Input delta: 1-bit 2-bit
+ * 1 round: 330.3 9201.6
+ * 2 rounds: 1246.4 25475.4
+ * 3 rounds: 1907.1 31295.1
+ * 4 rounds: 2042.3 31718.6
+ * Perfect: 2048 31744
+ * (32*64) (32*31/2 * 64)
+ */
+#define HASH_MIX(x, y, a) \
+ ( x ^= (a), \
+ y ^= x, x = rol32(x, 7),\
+ x += y, y = rol32(y,20),\
+ y *= 9 )
+
+static inline unsigned int fold_hash(unsigned long x, unsigned long y)
+{
+ /* Use arch-optimized multiply if one exists */
+ return __hash_32(y ^ __hash_32(x));
+}
+
+/*
+ * Generate a hash. This is derived from full_name_hash(), but we want to be
+ * sure it is arch independent and that it doesn't change as bits of the
+ * computed hash value might appear on disk. The caller also guarantees that
+ * the hashed data will be a series of aligned 32-bit words.
+ */
+unsigned int fscache_hash(unsigned int salt, unsigned int *data, unsigned int n)
+{
+ unsigned int a, x = 0, y = salt;
+
+ for (; n; n--) {
+ a = *data++;
+ HASH_MIX(x, y, a);
+ }
+ return fold_hash(x, y);
+}
+
/*
* initialise the fs caching module
*/
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 16aa55b73ccf..7205a89fbb5f 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -282,10 +282,10 @@ void fuse_request_end(struct fuse_conn *fc, struct fuse_req *req)

/*
* test_and_set_bit() implies smp_mb() between bit
- * changing and below intr_entry check. Pairs with
+ * changing and below FR_INTERRUPTED check. Pairs with
* smp_mb() from queue_interrupt().
*/
- if (!list_empty(&req->intr_entry)) {
+ if (test_bit(FR_INTERRUPTED, &req->flags)) {
spin_lock(&fiq->lock);
list_del_init(&req->intr_entry);
spin_unlock(&fiq->lock);
diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index 72dec177b349..94c290a333a0 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -292,6 +292,11 @@ static void gdlm_put_lock(struct gfs2_glock *gl)
gfs2_sbstats_inc(gl, GFS2_LKS_DCOUNT);
gfs2_update_request_times(gl);

+ /* don't want to call dlm if we've unmounted the lock protocol */
+ if (test_bit(DFL_UNMOUNT, &ls->ls_recover_flags)) {
+ gfs2_glock_free(gl);
+ return;
+ }
/* don't want to skip dlm_unlock writing the lvb when lock has one */

if (test_bit(SDF_SKIP_DLM_UNLOCK, &sdp->sd_flags) &&
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index 498cb70c2c0d..273a81971ed5 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -395,28 +395,10 @@ nlmsvc_release_lockowner(struct nlm_lock *lock)
nlmsvc_put_lockowner(lock->fl.fl_owner);
}

-static void nlmsvc_locks_copy_lock(struct file_lock *new, struct file_lock *fl)
-{
- struct nlm_lockowner *nlm_lo = (struct nlm_lockowner *)fl->fl_owner;
- new->fl_owner = nlmsvc_get_lockowner(nlm_lo);
-}
-
-static void nlmsvc_locks_release_private(struct file_lock *fl)
-{
- nlmsvc_put_lockowner((struct nlm_lockowner *)fl->fl_owner);
-}
-
-static const struct file_lock_operations nlmsvc_lock_ops = {
- .fl_copy_lock = nlmsvc_locks_copy_lock,
- .fl_release_private = nlmsvc_locks_release_private,
-};
-
void nlmsvc_locks_init_private(struct file_lock *fl, struct nlm_host *host,
pid_t pid)
{
fl->fl_owner = nlmsvc_find_lockowner(host, pid);
- if (fl->fl_owner != NULL)
- fl->fl_ops = &nlmsvc_lock_ops;
}

/*
@@ -788,9 +770,21 @@ nlmsvc_notify_blocked(struct file_lock *fl)
printk(KERN_WARNING "lockd: notification for unknown block!\n");
}

+static fl_owner_t nlmsvc_get_owner(fl_owner_t owner)
+{
+ return nlmsvc_get_lockowner(owner);
+}
+
+static void nlmsvc_put_owner(fl_owner_t owner)
+{
+ nlmsvc_put_lockowner(owner);
+}
+
const struct lock_manager_operations nlmsvc_lock_operations = {
.lm_notify = nlmsvc_notify_blocked,
.lm_grant = nlmsvc_grant_deferred,
+ .lm_get_owner = nlmsvc_get_owner,
+ .lm_put_owner = nlmsvc_put_owner,
};

/*
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index 6509ec3cb373..073be36b0686 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -513,8 +513,10 @@ static int ovl_create_over_whiteout(struct dentry *dentry, struct inode *inode,
goto out_cleanup;
}
err = ovl_instantiate(dentry, inode, newdentry, hardlink);
- if (err)
- goto out_cleanup;
+ if (err) {
+ ovl_cleanup(udir, newdentry);
+ dput(newdentry);
+ }
out_dput:
dput(upper);
out_unlock:
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 2c807283115d..ec57bbb6bb05 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -32,11 +32,6 @@ int sysctl_unprivileged_userfaultfd __read_mostly = 1;

static struct kmem_cache *userfaultfd_ctx_cachep __read_mostly;

-enum userfaultfd_state {
- UFFD_STATE_WAIT_API,
- UFFD_STATE_RUNNING,
-};
-
/*
* Start with fault_pending_wqh and fault_wqh so they're more likely
* to be in the same cacheline.
@@ -68,8 +63,6 @@ struct userfaultfd_ctx {
unsigned int flags;
/* features requested from the userspace */
unsigned int features;
- /* state machine */
- enum userfaultfd_state state;
/* released */
bool released;
/* memory mappings are changing because of non-cooperative event */
@@ -103,6 +96,14 @@ struct userfaultfd_wake_range {
unsigned long len;
};

+/* internal indication that UFFD_API ioctl was successfully executed */
+#define UFFD_FEATURE_INITIALIZED (1u << 31)
+
+static bool userfaultfd_is_initialized(struct userfaultfd_ctx *ctx)
+{
+ return ctx->features & UFFD_FEATURE_INITIALIZED;
+}
+
static int userfaultfd_wake_function(wait_queue_entry_t *wq, unsigned mode,
int wake_flags, void *key)
{
@@ -699,7 +700,6 @@ int dup_userfaultfd(struct vm_area_struct *vma, struct list_head *fcs)

refcount_set(&ctx->refcount, 1);
ctx->flags = octx->flags;
- ctx->state = UFFD_STATE_RUNNING;
ctx->features = octx->features;
ctx->released = false;
ctx->mmap_changing = false;
@@ -980,38 +980,33 @@ static __poll_t userfaultfd_poll(struct file *file, poll_table *wait)

poll_wait(file, &ctx->fd_wqh, wait);

- switch (ctx->state) {
- case UFFD_STATE_WAIT_API:
+ if (!userfaultfd_is_initialized(ctx))
return EPOLLERR;
- case UFFD_STATE_RUNNING:
- /*
- * poll() never guarantees that read won't block.
- * userfaults can be waken before they're read().
- */
- if (unlikely(!(file->f_flags & O_NONBLOCK)))
- return EPOLLERR;
- /*
- * lockless access to see if there are pending faults
- * __pollwait last action is the add_wait_queue but
- * the spin_unlock would allow the waitqueue_active to
- * pass above the actual list_add inside
- * add_wait_queue critical section. So use a full
- * memory barrier to serialize the list_add write of
- * add_wait_queue() with the waitqueue_active read
- * below.
- */
- ret = 0;
- smp_mb();
- if (waitqueue_active(&ctx->fault_pending_wqh))
- ret = EPOLLIN;
- else if (waitqueue_active(&ctx->event_wqh))
- ret = EPOLLIN;
-
- return ret;
- default:
- WARN_ON_ONCE(1);
+
+ /*
+ * poll() never guarantees that read won't block.
+ * userfaults can be waken before they're read().
+ */
+ if (unlikely(!(file->f_flags & O_NONBLOCK)))
return EPOLLERR;
- }
+ /*
+ * lockless access to see if there are pending faults
+ * __pollwait last action is the add_wait_queue but
+ * the spin_unlock would allow the waitqueue_active to
+ * pass above the actual list_add inside
+ * add_wait_queue critical section. So use a full
+ * memory barrier to serialize the list_add write of
+ * add_wait_queue() with the waitqueue_active read
+ * below.
+ */
+ ret = 0;
+ smp_mb();
+ if (waitqueue_active(&ctx->fault_pending_wqh))
+ ret = EPOLLIN;
+ else if (waitqueue_active(&ctx->event_wqh))
+ ret = EPOLLIN;
+
+ return ret;
}

static const struct file_operations userfaultfd_fops;
@@ -1205,7 +1200,7 @@ static ssize_t userfaultfd_read(struct file *file, char __user *buf,
struct uffd_msg msg;
int no_wait = file->f_flags & O_NONBLOCK;

- if (ctx->state == UFFD_STATE_WAIT_API)
+ if (!userfaultfd_is_initialized(ctx))
return -EINVAL;

for (;;) {
@@ -1807,9 +1802,10 @@ static int userfaultfd_zeropage(struct userfaultfd_ctx *ctx,
static inline unsigned int uffd_ctx_features(__u64 user_features)
{
/*
- * For the current set of features the bits just coincide
+ * For the current set of features the bits just coincide. Set
+ * UFFD_FEATURE_INITIALIZED to mark the features as enabled.
*/
- return (unsigned int)user_features;
+ return (unsigned int)user_features | UFFD_FEATURE_INITIALIZED;
}

/*
@@ -1822,12 +1818,10 @@ static int userfaultfd_api(struct userfaultfd_ctx *ctx,
{
struct uffdio_api uffdio_api;
void __user *buf = (void __user *)arg;
+ unsigned int ctx_features;
int ret;
__u64 features;

- ret = -EINVAL;
- if (ctx->state != UFFD_STATE_WAIT_API)
- goto out;
ret = -EFAULT;
if (copy_from_user(&uffdio_api, buf, sizeof(uffdio_api)))
goto out;
@@ -1844,9 +1838,13 @@ static int userfaultfd_api(struct userfaultfd_ctx *ctx,
ret = -EFAULT;
if (copy_to_user(buf, &uffdio_api, sizeof(uffdio_api)))
goto out;
- ctx->state = UFFD_STATE_RUNNING;
+
/* only enable the requested features for this uffd context */
- ctx->features = uffd_ctx_features(features);
+ ctx_features = uffd_ctx_features(features);
+ ret = -EINVAL;
+ if (cmpxchg(&ctx->features, 0, ctx_features) != 0)
+ goto err_out;
+
ret = 0;
out:
return ret;
@@ -1863,7 +1861,7 @@ static long userfaultfd_ioctl(struct file *file, unsigned cmd,
int ret = -EINVAL;
struct userfaultfd_ctx *ctx = file->private_data;

- if (cmd != UFFDIO_API && ctx->state == UFFD_STATE_WAIT_API)
+ if (cmd != UFFDIO_API && !userfaultfd_is_initialized(ctx))
return -EINVAL;

switch(cmd) {
@@ -1964,7 +1962,6 @@ SYSCALL_DEFINE1(userfaultfd, int, flags)
refcount_set(&ctx->refcount, 1);
ctx->flags = flags;
ctx->features = 0;
- ctx->state = UFFD_STATE_WAIT_API;
ctx->released = false;
ctx->mmap_changing = false;
ctx->mm = current->mm;
diff --git a/include/crypto/public_key.h b/include/crypto/public_key.h
index 0588ef3bc6ff..48722f2b8543 100644
--- a/include/crypto/public_key.h
+++ b/include/crypto/public_key.h
@@ -38,9 +38,9 @@ extern void public_key_free(struct public_key *key);
struct public_key_signature {
struct asymmetric_key_id *auth_ids[2];
u8 *s; /* Signature */
- u32 s_size; /* Number of bytes in signature */
u8 *digest;
- u8 digest_size; /* Number of bytes in digest */
+ u32 s_size; /* Number of bytes in signature */
+ u32 digest_size; /* Number of bytes in digest */
const char *pkey_algo;
const char *hash_algo;
const char *encoding;
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index a0513c444446..cef70d6e1657 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -542,6 +542,11 @@ static inline spinlock_t *huge_pte_lockptr(struct hstate *h,

void hugetlb_report_usage(struct seq_file *m, struct mm_struct *mm);

+static inline void hugetlb_count_init(struct mm_struct *mm)
+{
+ atomic_long_set(&mm->hugetlb_usage, 0);
+}
+
static inline void hugetlb_count_add(long l, struct mm_struct *mm)
{
atomic_long_add(l, &mm->hugetlb_usage);
@@ -711,6 +716,10 @@ static inline spinlock_t *huge_pte_lockptr(struct hstate *h,
return &mm->page_table_lock;
}

+static inline void hugetlb_count_init(struct mm_struct *mm)
+{
+}
+
static inline void hugetlb_report_usage(struct seq_file *f, struct mm_struct *m)
{
}
diff --git a/include/linux/list.h b/include/linux/list.h
index 85c92555e31f..ce19c6b632a5 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -567,6 +567,15 @@ static inline void list_splice_tail_init(struct list_head *list,
pos != (head); \
pos = n, n = pos->prev)

+/**
+ * list_entry_is_head - test if the entry points to the head of the list
+ * @pos: the type * to cursor
+ * @head: the head for your list.
+ * @member: the name of the list_head within the struct.
+ */
+#define list_entry_is_head(pos, head, member) \
+ (&pos->member == (head))
+
/**
* list_for_each_entry - iterate over list of given type
* @pos: the type * to use as a loop cursor.
@@ -575,7 +584,7 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry(pos, head, member) \
for (pos = list_first_entry(head, typeof(*pos), member); \
- &pos->member != (head); \
+ !list_entry_is_head(pos, head, member); \
pos = list_next_entry(pos, member))

/**
@@ -586,7 +595,7 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry_reverse(pos, head, member) \
for (pos = list_last_entry(head, typeof(*pos), member); \
- &pos->member != (head); \
+ !list_entry_is_head(pos, head, member); \
pos = list_prev_entry(pos, member))

/**
@@ -611,7 +620,7 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry_continue(pos, head, member) \
for (pos = list_next_entry(pos, member); \
- &pos->member != (head); \
+ !list_entry_is_head(pos, head, member); \
pos = list_next_entry(pos, member))

/**
@@ -625,7 +634,7 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry_continue_reverse(pos, head, member) \
for (pos = list_prev_entry(pos, member); \
- &pos->member != (head); \
+ !list_entry_is_head(pos, head, member); \
pos = list_prev_entry(pos, member))

/**
@@ -637,7 +646,7 @@ static inline void list_splice_tail_init(struct list_head *list,
* Iterate over list of given type, continuing from current position.
*/
#define list_for_each_entry_from(pos, head, member) \
- for (; &pos->member != (head); \
+ for (; !list_entry_is_head(pos, head, member); \
pos = list_next_entry(pos, member))

/**
@@ -650,7 +659,7 @@ static inline void list_splice_tail_init(struct list_head *list,
* Iterate backwards over list of given type, continuing from current position.
*/
#define list_for_each_entry_from_reverse(pos, head, member) \
- for (; &pos->member != (head); \
+ for (; !list_entry_is_head(pos, head, member); \
pos = list_prev_entry(pos, member))

/**
@@ -663,7 +672,7 @@ static inline void list_splice_tail_init(struct list_head *list,
#define list_for_each_entry_safe(pos, n, head, member) \
for (pos = list_first_entry(head, typeof(*pos), member), \
n = list_next_entry(pos, member); \
- &pos->member != (head); \
+ !list_entry_is_head(pos, head, member); \
pos = n, n = list_next_entry(n, member))

/**
@@ -679,7 +688,7 @@ static inline void list_splice_tail_init(struct list_head *list,
#define list_for_each_entry_safe_continue(pos, n, head, member) \
for (pos = list_next_entry(pos, member), \
n = list_next_entry(pos, member); \
- &pos->member != (head); \
+ !list_entry_is_head(pos, head, member); \
pos = n, n = list_next_entry(n, member))

/**
@@ -694,7 +703,7 @@ static inline void list_splice_tail_init(struct list_head *list,
*/
#define list_for_each_entry_safe_from(pos, n, head, member) \
for (n = list_next_entry(pos, member); \
- &pos->member != (head); \
+ !list_entry_is_head(pos, head, member); \
pos = n, n = list_next_entry(n, member))

/**
@@ -710,7 +719,7 @@ static inline void list_splice_tail_init(struct list_head *list,
#define list_for_each_entry_safe_reverse(pos, n, head, member) \
for (pos = list_last_entry(head, typeof(*pos), member), \
n = list_prev_entry(pos, member); \
- &pos->member != (head); \
+ !list_entry_is_head(pos, head, member); \
pos = n, n = list_prev_entry(n, member))

/**
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 451efd4499cc..961e35c68e41 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -358,6 +358,6 @@ extern struct page *sparse_decode_mem_map(unsigned long coded_mem_map,
unsigned long pnum);
extern bool allow_online_pfn_range(int nid, unsigned long pfn, unsigned long nr_pages,
int online_type);
-extern struct zone *zone_for_pfn_range(int online_type, int nid, unsigned start_pfn,
- unsigned long nr_pages);
+extern struct zone *zone_for_pfn_range(int online_type, int nid,
+ unsigned long start_pfn, unsigned long nr_pages);
#endif /* __LINUX_MEMORY_HOTPLUG_H */
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 6a6a819c5b49..9a937f8b2783 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1688,8 +1688,9 @@ static inline int pci_enable_device(struct pci_dev *dev) { return -EIO; }
static inline void pci_disable_device(struct pci_dev *dev) { }
static inline int pci_assign_resource(struct pci_dev *dev, int i)
{ return -EBUSY; }
-static inline int __pci_register_driver(struct pci_driver *drv,
- struct module *owner)
+static inline int __must_check __pci_register_driver(struct pci_driver *drv,
+ struct module *owner,
+ const char *mod_name)
{ return 0; }
static inline int pci_register_driver(struct pci_driver *drv)
{ return 0; }
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 0ad57693f392..42588645478d 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2476,7 +2476,8 @@
#define PCI_VENDOR_ID_TDI 0x192E
#define PCI_DEVICE_ID_TDI_EHCI 0x0101

-#define PCI_VENDOR_ID_FREESCALE 0x1957
+#define PCI_VENDOR_ID_FREESCALE 0x1957 /* duplicate: NXP */
+#define PCI_VENDOR_ID_NXP 0x1957 /* duplicate: FREESCALE */
#define PCI_DEVICE_ID_MPC8308 0xc006
#define PCI_DEVICE_ID_MPC8315E 0x00b4
#define PCI_DEVICE_ID_MPC8315 0x00b5
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 6493c98c8631..b04b5bd43f54 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1887,7 +1887,7 @@ static inline void __skb_insert(struct sk_buff *newsk,
WRITE_ONCE(newsk->prev, prev);
WRITE_ONCE(next->prev, newsk);
WRITE_ONCE(prev->next, newsk);
- list->qlen++;
+ WRITE_ONCE(list->qlen, list->qlen + 1);
}

static inline void __skb_queue_splice(const struct sk_buff_head *list,
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index d7ef5b97174c..3c6c4b1dbf1a 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -419,6 +419,7 @@ void xprt_unlock_connect(struct rpc_xprt *, void *);
#define XPRT_CONGESTED (9)
#define XPRT_CWND_WAIT (10)
#define XPRT_WRITE_SPACE (11)
+#define XPRT_SND_IS_COOKIE (12)

static inline void xprt_set_connected(struct rpc_xprt *xprt)
{
diff --git a/include/uapi/linux/pkt_sched.h b/include/uapi/linux/pkt_sched.h
index edbbf4bfdd9e..4a245d7a5c8d 100644
--- a/include/uapi/linux/pkt_sched.h
+++ b/include/uapi/linux/pkt_sched.h
@@ -807,6 +807,8 @@ struct tc_codel_xstats {

/* FQ_CODEL */

+#define FQ_CODEL_QUANTUM_MAX (1 << 20)
+
enum {
TCA_FQ_CODEL_UNSPEC,
TCA_FQ_CODEL_TARGET,
diff --git a/include/uapi/linux/serial_reg.h b/include/uapi/linux/serial_reg.h
index be07b5470f4b..f51bc8f36813 100644
--- a/include/uapi/linux/serial_reg.h
+++ b/include/uapi/linux/serial_reg.h
@@ -62,6 +62,7 @@
* ST16C654: 8 16 56 60 8 16 32 56 PORT_16654
* TI16C750: 1 16 32 56 xx xx xx xx PORT_16750
* TI16C752: 8 16 56 60 8 16 32 56
+ * OX16C950: 16 32 112 120 16 32 64 112 PORT_16C950
* Tegra: 1 4 8 14 16 8 4 1 PORT_TEGRA
*/
#define UART_FCR_R_TRIG_00 0x00
diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c
index cb6425e52bf7..01e893cf9b9f 100644
--- a/kernel/dma/debug.c
+++ b/kernel/dma/debug.c
@@ -846,7 +846,7 @@ static int dump_show(struct seq_file *seq, void *v)
}
DEFINE_SHOW_ATTRIBUTE(dump);

-static void dma_debug_fs_init(void)
+static int __init dma_debug_fs_init(void)
{
struct dentry *dentry = debugfs_create_dir("dma-api", NULL);

@@ -859,7 +859,10 @@ static void dma_debug_fs_init(void)
debugfs_create_u32("nr_total_entries", 0444, dentry, &nr_total_entries);
debugfs_create_file("driver_filter", 0644, dentry, NULL, &filter_fops);
debugfs_create_file("dump", 0444, dentry, NULL, &dump_fops);
+
+ return 0;
}
+core_initcall_sync(dma_debug_fs_init);

static int device_dma_allocations(struct device *dev, struct dma_debug_entry **out_entry)
{
@@ -944,8 +947,6 @@ static int dma_debug_init(void)
spin_lock_init(&dma_entry_hash[i].lock);
}

- dma_debug_fs_init();
-
nr_pages = DIV_ROUND_UP(nr_prealloc_entries, DMA_DEBUG_DYNAMIC_ENTRIES);
for (i = 0; i < nr_pages; ++i)
dma_debug_create_entries(GFP_KERNEL);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 2f848123cdae..1993a741d2dc 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -9259,7 +9259,7 @@ static void perf_event_addr_filters_apply(struct perf_event *event)
return;

if (ifh->nr_file_filters) {
- mm = get_task_mm(event->ctx->task);
+ mm = get_task_mm(task);
if (!mm)
goto restart;

diff --git a/kernel/fork.c b/kernel/fork.c
index 50f37d5afb32..cf2cebd214b9 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1028,6 +1028,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p,
mm->pmd_huge_pte = NULL;
#endif
mm_init_uprobes_state(mm);
+ hugetlb_count_init(mm);

if (current->mm) {
mm->flags = current->mm->flags & MMF_INIT_MASK;
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index a6a79f85c81a..f26415341c75 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -53,7 +53,8 @@ static struct kmem_cache *create_pid_cachep(unsigned int level)
mutex_lock(&pid_caches_mutex);
/* Name collision forces to do allocation under mutex. */
if (!*pkc)
- *pkc = kmem_cache_create(name, len, 0, SLAB_HWCACHE_ALIGN, 0);
+ *pkc = kmem_cache_create(name, len, 0,
+ SLAB_HWCACHE_ALIGN | SLAB_ACCOUNT, 0);
mutex_unlock(&pid_caches_mutex);
/* current can fail, but someone else can succeed. */
return READ_ONCE(*pkc);
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 233322c77b76..5de084dab4fa 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -646,7 +646,11 @@ static int register_trace_kprobe(struct trace_kprobe *tk)
/* Register new event */
ret = register_kprobe_event(tk);
if (ret) {
- pr_warn("Failed to register probe event(%d)\n", ret);
+ if (ret == -EEXIST) {
+ trace_probe_log_set_index(0);
+ trace_probe_log_err(0, EVENT_EXIST);
+ } else
+ pr_warn("Failed to register probe event(%d)\n", ret);
goto end;
}

diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c
index f98d6d94cbbf..23e85cb15134 100644
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -1029,11 +1029,36 @@ int trace_probe_init(struct trace_probe *tp, const char *event,
return ret;
}

+static struct trace_event_call *
+find_trace_event_call(const char *system, const char *event_name)
+{
+ struct trace_event_call *tp_event;
+ const char *name;
+
+ list_for_each_entry(tp_event, &ftrace_events, list) {
+ if (!tp_event->class->system ||
+ strcmp(system, tp_event->class->system))
+ continue;
+ name = trace_event_name(tp_event);
+ if (!name || strcmp(event_name, name))
+ continue;
+ return tp_event;
+ }
+
+ return NULL;
+}
+
int trace_probe_register_event_call(struct trace_probe *tp)
{
struct trace_event_call *call = trace_probe_event_call(tp);
int ret;

+ lockdep_assert_held(&event_mutex);
+
+ if (find_trace_event_call(trace_probe_group_name(tp),
+ trace_probe_name(tp)))
+ return -EEXIST;
+
ret = register_trace_event(&call->event);
if (!ret)
return -ENODEV;
diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h
index a0ff9e200ef6..bab9e0dba9af 100644
--- a/kernel/trace/trace_probe.h
+++ b/kernel/trace/trace_probe.h
@@ -410,6 +410,7 @@ extern int traceprobe_define_arg_fields(struct trace_event_call *event_call,
C(NO_EVENT_NAME, "Event name is not specified"), \
C(EVENT_TOO_LONG, "Event name is too long"), \
C(BAD_EVENT_NAME, "Event name must follow the same rules as C identifiers"), \
+ C(EVENT_EXIST, "Given group/event name is already used by another event"), \
C(RETVAL_ON_PROBE, "$retval is not available on probe"), \
C(BAD_STACK_NUM, "Invalid stack number"), \
C(BAD_ARG_NUM, "Invalid argument number"), \
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 5294843de6ef..b515db036bec 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -514,7 +514,11 @@ static int register_trace_uprobe(struct trace_uprobe *tu)

ret = register_uprobe_event(tu);
if (ret) {
- pr_warn("Failed to register probe event(%d)\n", ret);
+ if (ret == -EEXIST) {
+ trace_probe_log_set_index(0);
+ trace_probe_log_err(0, EVENT_EXIST);
+ } else
+ pr_warn("Failed to register probe event(%d)\n", ret);
goto end;
}

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 6aeb53b4e19f..885d4792abdf 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -5869,6 +5869,13 @@ static void __init wq_numa_init(void)
return;
}

+ for_each_possible_cpu(cpu) {
+ if (WARN_ON(cpu_to_node(cpu) == NUMA_NO_NODE)) {
+ pr_warn("workqueue: NUMA node mapping not available for cpu%d, disabling NUMA support\n", cpu);
+ return;
+ }
+ }
+
wq_update_unbound_numa_attrs_buf = alloc_workqueue_attrs();
BUG_ON(!wq_update_unbound_numa_attrs_buf);

@@ -5886,11 +5893,6 @@ static void __init wq_numa_init(void)

for_each_possible_cpu(cpu) {
node = cpu_to_node(cpu);
- if (WARN_ON(node == NUMA_NO_NODE)) {
- pr_warn("workqueue: NUMA node mapping not available for cpu%d, disabling NUMA support\n", cpu);
- /* happens iff arch is bonkers, let's just proceed */
- return;
- }
cpumask_set_cpu(cpu, tbl[node]);
}

diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index 5ef3eccee27c..3ae002ced4c7 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -4286,8 +4286,8 @@ static struct bpf_test tests[] = {
.u.insns_int = {
BPF_LD_IMM64(R0, 0),
BPF_LD_IMM64(R1, 0xffffffffffffffffLL),
- BPF_STX_MEM(BPF_W, R10, R1, -40),
- BPF_LDX_MEM(BPF_W, R0, R10, -40),
+ BPF_STX_MEM(BPF_DW, R10, R1, -40),
+ BPF_LDX_MEM(BPF_DW, R0, R10, -40),
BPF_EXIT_INSN(),
},
INTERNAL,
@@ -6684,7 +6684,14 @@ static int run_one(const struct bpf_prog *fp, struct bpf_test *test)
u64 duration;
u32 ret;

- if (test->test[i].data_size == 0 &&
+ /*
+ * NOTE: Several sub-tests may be present, in which case
+ * a zero {data_size, result} tuple indicates the end of
+ * the sub-test array. The first test is always run,
+ * even if both data_size and result happen to be zero.
+ */
+ if (i > 0 &&
+ test->test[i].data_size == 0 &&
test->test[i].result == 0)
break;

diff --git a/lib/test_stackinit.c b/lib/test_stackinit.c
index 2d7d257a430e..35d398b065e4 100644
--- a/lib/test_stackinit.c
+++ b/lib/test_stackinit.c
@@ -67,10 +67,10 @@ static bool range_contains(char *haystack_start, size_t haystack_size,
#define INIT_STRUCT_none /**/
#define INIT_STRUCT_zero = { }
#define INIT_STRUCT_static_partial = { .two = 0, }
-#define INIT_STRUCT_static_all = { .one = arg->one, \
- .two = arg->two, \
- .three = arg->three, \
- .four = arg->four, \
+#define INIT_STRUCT_static_all = { .one = 0, \
+ .two = 0, \
+ .three = 0, \
+ .four = 0, \
}
#define INIT_STRUCT_dynamic_partial = { .two = arg->two, }
#define INIT_STRUCT_dynamic_all = { .one = arg->one, \
@@ -84,8 +84,7 @@ static bool range_contains(char *haystack_start, size_t haystack_size,
var.one = 0; \
var.two = 0; \
var.three = 0; \
- memset(&var.four, 0, \
- sizeof(var.four))
+ var.four = 0

/*
* @name: unique string name for the test
@@ -208,18 +207,13 @@ struct test_small_hole {
unsigned long four;
};

-/* Try to trigger unhandled padding in a structure. */
-struct test_aligned {
- u32 internal1;
- u64 internal2;
-} __aligned(64);
-
+/* Trigger unhandled padding in a structure. */
struct test_big_hole {
u8 one;
u8 two;
u8 three;
/* 61 byte padding hole here. */
- struct test_aligned four;
+ u8 four __aligned(64);
} __aligned(64);

struct test_trailing_hole {
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 308beca3ffeb..bcc2686bd0a1 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -775,8 +775,8 @@ static inline struct zone *default_zone_for_pfn(int nid, unsigned long start_pfn
return movable_node_enabled ? movable_zone : kernel_zone;
}

-struct zone * zone_for_pfn_range(int online_type, int nid, unsigned start_pfn,
- unsigned long nr_pages)
+struct zone *zone_for_pfn_range(int online_type, int nid,
+ unsigned long start_pfn, unsigned long nr_pages)
{
if (online_type == MMOP_ONLINE_KERNEL)
return default_kernel_zone_for_pfn(nid, start_pfn, nr_pages);
diff --git a/mm/vmscan.c b/mm/vmscan.c
index fad9be4703ec..de94881eaa92 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2513,7 +2513,7 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
cgroup_size = max(cgroup_size, protection);

scan = lruvec_size - lruvec_size * protection /
- cgroup_size;
+ (cgroup_size + 1);

/*
* Minimally target SWAP_CLUSTER_MAX pages to keep
diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c
index 3963eb11c3fb..44e6c74ed428 100644
--- a/net/9p/trans_xen.c
+++ b/net/9p/trans_xen.c
@@ -138,7 +138,7 @@ static bool p9_xen_write_todo(struct xen_9pfs_dataring *ring, RING_IDX size)

static int p9_xen_request(struct p9_client *client, struct p9_req_t *p9_req)
{
- struct xen_9pfs_front_priv *priv = NULL;
+ struct xen_9pfs_front_priv *priv;
RING_IDX cons, prod, masked_cons, masked_prod;
unsigned long flags;
u32 size = p9_req->tc.size;
@@ -151,7 +151,7 @@ static int p9_xen_request(struct p9_client *client, struct p9_req_t *p9_req)
break;
}
read_unlock(&xen_9pfs_lock);
- if (!priv || priv->client != client)
+ if (list_entry_is_head(priv, &xen_9pfs_devs, list))
return -EINVAL;

num = p9_req->tc.tag % priv->num_rings;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index e8e7f108b016..31469ff084cd 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -4202,6 +4202,21 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev,

switch (ev->status) {
case 0x00:
+ /* The synchronous connection complete event should only be
+ * sent once per new connection. Receiving a successful
+ * complete event when the connection status is already
+ * BT_CONNECTED means that the device is misbehaving and sent
+ * multiple complete event packets for the same new connection.
+ *
+ * Registering the device more than once can corrupt kernel
+ * memory, hence upon detecting this invalid event, we report
+ * an error and ignore the packet.
+ */
+ if (conn->state == BT_CONNECTED) {
+ bt_dev_err(hdev, "Ignoring connect complete event for existing connection");
+ goto unlock;
+ }
+
conn->handle = __le16_to_cpu(ev->handle);
conn->state = BT_CONNECTED;
conn->type = ev->link_type;
@@ -4905,9 +4920,64 @@ static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
}
#endif

+static void le_conn_update_addr(struct hci_conn *conn, bdaddr_t *bdaddr,
+ u8 bdaddr_type, bdaddr_t *local_rpa)
+{
+ if (conn->out) {
+ conn->dst_type = bdaddr_type;
+ conn->resp_addr_type = bdaddr_type;
+ bacpy(&conn->resp_addr, bdaddr);
+
+ /* Check if the controller has set a Local RPA then it must be
+ * used instead or hdev->rpa.
+ */
+ if (local_rpa && bacmp(local_rpa, BDADDR_ANY)) {
+ conn->init_addr_type = ADDR_LE_DEV_RANDOM;
+ bacpy(&conn->init_addr, local_rpa);
+ } else if (hci_dev_test_flag(conn->hdev, HCI_PRIVACY)) {
+ conn->init_addr_type = ADDR_LE_DEV_RANDOM;
+ bacpy(&conn->init_addr, &conn->hdev->rpa);
+ } else {
+ hci_copy_identity_address(conn->hdev, &conn->init_addr,
+ &conn->init_addr_type);
+ }
+ } else {
+ conn->resp_addr_type = conn->hdev->adv_addr_type;
+ /* Check if the controller has set a Local RPA then it must be
+ * used instead or hdev->rpa.
+ */
+ if (local_rpa && bacmp(local_rpa, BDADDR_ANY)) {
+ conn->resp_addr_type = ADDR_LE_DEV_RANDOM;
+ bacpy(&conn->resp_addr, local_rpa);
+ } else if (conn->hdev->adv_addr_type == ADDR_LE_DEV_RANDOM) {
+ /* In case of ext adv, resp_addr will be updated in
+ * Adv Terminated event.
+ */
+ if (!ext_adv_capable(conn->hdev))
+ bacpy(&conn->resp_addr,
+ &conn->hdev->random_addr);
+ } else {
+ bacpy(&conn->resp_addr, &conn->hdev->bdaddr);
+ }
+
+ conn->init_addr_type = bdaddr_type;
+ bacpy(&conn->init_addr, bdaddr);
+
+ /* For incoming connections, set the default minimum
+ * and maximum connection interval. They will be used
+ * to check if the parameters are in range and if not
+ * trigger the connection update procedure.
+ */
+ conn->le_conn_min_interval = conn->hdev->le_conn_min_interval;
+ conn->le_conn_max_interval = conn->hdev->le_conn_max_interval;
+ }
+}
+
static void le_conn_complete_evt(struct hci_dev *hdev, u8 status,
- bdaddr_t *bdaddr, u8 bdaddr_type, u8 role, u16 handle,
- u16 interval, u16 latency, u16 supervision_timeout)
+ bdaddr_t *bdaddr, u8 bdaddr_type,
+ bdaddr_t *local_rpa, u8 role, u16 handle,
+ u16 interval, u16 latency,
+ u16 supervision_timeout)
{
struct hci_conn_params *params;
struct hci_conn *conn;
@@ -4955,32 +5025,7 @@ static void le_conn_complete_evt(struct hci_dev *hdev, u8 status,
cancel_delayed_work(&conn->le_conn_timeout);
}

- if (!conn->out) {
- /* Set the responder (our side) address type based on
- * the advertising address type.
- */
- conn->resp_addr_type = hdev->adv_addr_type;
- if (hdev->adv_addr_type == ADDR_LE_DEV_RANDOM) {
- /* In case of ext adv, resp_addr will be updated in
- * Adv Terminated event.
- */
- if (!ext_adv_capable(hdev))
- bacpy(&conn->resp_addr, &hdev->random_addr);
- } else {
- bacpy(&conn->resp_addr, &hdev->bdaddr);
- }
-
- conn->init_addr_type = bdaddr_type;
- bacpy(&conn->init_addr, bdaddr);
-
- /* For incoming connections, set the default minimum
- * and maximum connection interval. They will be used
- * to check if the parameters are in range and if not
- * trigger the connection update procedure.
- */
- conn->le_conn_min_interval = hdev->le_conn_min_interval;
- conn->le_conn_max_interval = hdev->le_conn_max_interval;
- }
+ le_conn_update_addr(conn, bdaddr, bdaddr_type, local_rpa);

/* Lookup the identity address from the stored connection
* address and address type.
@@ -5074,7 +5119,7 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);

le_conn_complete_evt(hdev, ev->status, &ev->bdaddr, ev->bdaddr_type,
- ev->role, le16_to_cpu(ev->handle),
+ NULL, ev->role, le16_to_cpu(ev->handle),
le16_to_cpu(ev->interval),
le16_to_cpu(ev->latency),
le16_to_cpu(ev->supervision_timeout));
@@ -5088,7 +5133,7 @@ static void hci_le_enh_conn_complete_evt(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);

le_conn_complete_evt(hdev, ev->status, &ev->bdaddr, ev->bdaddr_type,
- ev->role, le16_to_cpu(ev->handle),
+ &ev->local_rpa, ev->role, le16_to_cpu(ev->handle),
le16_to_cpu(ev->interval),
le16_to_cpu(ev->latency),
le16_to_cpu(ev->supervision_timeout));
@@ -5119,7 +5164,8 @@ static void hci_le_ext_adv_term_evt(struct hci_dev *hdev, struct sk_buff *skb)
if (conn) {
struct adv_info *adv_instance;

- if (hdev->adv_addr_type != ADDR_LE_DEV_RANDOM)
+ if (hdev->adv_addr_type != ADDR_LE_DEV_RANDOM ||
+ bacmp(&conn->resp_addr, BDADDR_ANY))
return;

if (!hdev->cur_adv_instance) {
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 1b7540cb8e5c..1915943bb646 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -48,6 +48,8 @@ struct sco_conn {
spinlock_t lock;
struct sock *sk;

+ struct delayed_work timeout_work;
+
unsigned int mtu;
};

@@ -73,9 +75,20 @@ struct sco_pinfo {
#define SCO_CONN_TIMEOUT (HZ * 40)
#define SCO_DISCONN_TIMEOUT (HZ * 2)

-static void sco_sock_timeout(struct timer_list *t)
+static void sco_sock_timeout(struct work_struct *work)
{
- struct sock *sk = from_timer(sk, t, sk_timer);
+ struct sco_conn *conn = container_of(work, struct sco_conn,
+ timeout_work.work);
+ struct sock *sk;
+
+ sco_conn_lock(conn);
+ sk = conn->sk;
+ if (sk)
+ sock_hold(sk);
+ sco_conn_unlock(conn);
+
+ if (!sk)
+ return;

BT_DBG("sock %p state %d", sk, sk->sk_state);

@@ -89,14 +102,21 @@ static void sco_sock_timeout(struct timer_list *t)

static void sco_sock_set_timer(struct sock *sk, long timeout)
{
+ if (!sco_pi(sk)->conn)
+ return;
+
BT_DBG("sock %p state %d timeout %ld", sk, sk->sk_state, timeout);
- sk_reset_timer(sk, &sk->sk_timer, jiffies + timeout);
+ cancel_delayed_work(&sco_pi(sk)->conn->timeout_work);
+ schedule_delayed_work(&sco_pi(sk)->conn->timeout_work, timeout);
}

static void sco_sock_clear_timer(struct sock *sk)
{
+ if (!sco_pi(sk)->conn)
+ return;
+
BT_DBG("sock %p state %d", sk, sk->sk_state);
- sk_stop_timer(sk, &sk->sk_timer);
+ cancel_delayed_work(&sco_pi(sk)->conn->timeout_work);
}

/* ---- SCO connections ---- */
@@ -176,6 +196,9 @@ static void sco_conn_del(struct hci_conn *hcon, int err)
sco_chan_del(sk, err);
bh_unlock_sock(sk);
sock_put(sk);
+
+ /* Ensure no more work items will run before freeing conn. */
+ cancel_delayed_work_sync(&conn->timeout_work);
}

hcon->sco_data = NULL;
@@ -190,6 +213,8 @@ static void __sco_chan_add(struct sco_conn *conn, struct sock *sk,
sco_pi(sk)->conn = conn;
conn->sk = sk;

+ INIT_DELAYED_WORK(&conn->timeout_work, sco_sock_timeout);
+
if (parent)
bt_accept_enqueue(parent, sk, true);
}
@@ -209,44 +234,32 @@ static int sco_chan_add(struct sco_conn *conn, struct sock *sk,
return err;
}

-static int sco_connect(struct sock *sk)
+static int sco_connect(struct hci_dev *hdev, struct sock *sk)
{
struct sco_conn *conn;
struct hci_conn *hcon;
- struct hci_dev *hdev;
int err, type;

BT_DBG("%pMR -> %pMR", &sco_pi(sk)->src, &sco_pi(sk)->dst);

- hdev = hci_get_route(&sco_pi(sk)->dst, &sco_pi(sk)->src, BDADDR_BREDR);
- if (!hdev)
- return -EHOSTUNREACH;
-
- hci_dev_lock(hdev);
-
if (lmp_esco_capable(hdev) && !disable_esco)
type = ESCO_LINK;
else
type = SCO_LINK;

if (sco_pi(sk)->setting == BT_VOICE_TRANSPARENT &&
- (!lmp_transp_capable(hdev) || !lmp_esco_capable(hdev))) {
- err = -EOPNOTSUPP;
- goto done;
- }
+ (!lmp_transp_capable(hdev) || !lmp_esco_capable(hdev)))
+ return -EOPNOTSUPP;

hcon = hci_connect_sco(hdev, type, &sco_pi(sk)->dst,
sco_pi(sk)->setting);
- if (IS_ERR(hcon)) {
- err = PTR_ERR(hcon);
- goto done;
- }
+ if (IS_ERR(hcon))
+ return PTR_ERR(hcon);

conn = sco_conn_add(hcon);
if (!conn) {
hci_conn_drop(hcon);
- err = -ENOMEM;
- goto done;
+ return -ENOMEM;
}

/* Update source addr of the socket */
@@ -254,7 +267,7 @@ static int sco_connect(struct sock *sk)

err = sco_chan_add(conn, sk, NULL);
if (err)
- goto done;
+ return err;

if (hcon->state == BT_CONNECTED) {
sco_sock_clear_timer(sk);
@@ -264,9 +277,6 @@ static int sco_connect(struct sock *sk)
sco_sock_set_timer(sk, sk->sk_sndtimeo);
}

-done:
- hci_dev_unlock(hdev);
- hci_dev_put(hdev);
return err;
}

@@ -484,8 +494,6 @@ static struct sock *sco_sock_alloc(struct net *net, struct socket *sock,

sco_pi(sk)->setting = BT_VOICE_CVSD_16BIT;

- timer_setup(&sk->sk_timer, sco_sock_timeout, 0);
-
bt_sock_link(&sco_sk_list, sk);
return sk;
}
@@ -550,6 +558,7 @@ static int sco_sock_connect(struct socket *sock, struct sockaddr *addr, int alen
{
struct sockaddr_sco *sa = (struct sockaddr_sco *) addr;
struct sock *sk = sock->sk;
+ struct hci_dev *hdev;
int err;

BT_DBG("sk %p", sk);
@@ -564,12 +573,19 @@ static int sco_sock_connect(struct socket *sock, struct sockaddr *addr, int alen
if (sk->sk_type != SOCK_SEQPACKET)
return -EINVAL;

+ hdev = hci_get_route(&sa->sco_bdaddr, &sco_pi(sk)->src, BDADDR_BREDR);
+ if (!hdev)
+ return -EHOSTUNREACH;
+ hci_dev_lock(hdev);
+
lock_sock(sk);

/* Set destination address and psm */
bacpy(&sco_pi(sk)->dst, &sa->sco_bdaddr);

- err = sco_connect(sk);
+ err = sco_connect(hdev, sk);
+ hci_dev_unlock(hdev);
+ hci_dev_put(hdev);
if (err)
goto done;

diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index a56628962852..910f164dd20c 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -53,20 +53,6 @@ struct chnl_net {
enum caif_states state;
};

-static void robust_list_del(struct list_head *delete_node)
-{
- struct list_head *list_node;
- struct list_head *n;
- ASSERT_RTNL();
- list_for_each_safe(list_node, n, &chnl_net_list) {
- if (list_node == delete_node) {
- list_del(list_node);
- return;
- }
- }
- WARN_ON(1);
-}
-
static int chnl_recv_cb(struct cflayer *layr, struct cfpkt *pkt)
{
struct sk_buff *skb;
@@ -368,6 +354,7 @@ static int chnl_net_init(struct net_device *dev)
ASSERT_RTNL();
priv = netdev_priv(dev);
strncpy(priv->name, dev->name, sizeof(priv->name));
+ INIT_LIST_HEAD(&priv->list_field);
return 0;
}

@@ -376,7 +363,7 @@ static void chnl_net_uninit(struct net_device *dev)
struct chnl_net *priv;
ASSERT_RTNL();
priv = netdev_priv(dev);
- robust_list_del(&priv->list_field);
+ list_del_init(&priv->list_field);
}

static const struct net_device_ops netdev_ops = {
@@ -541,7 +528,7 @@ static void __exit chnl_exit_module(void)
rtnl_lock();
list_for_each_safe(list_node, _tmp, &chnl_net_list) {
dev = list_entry(list_node, struct chnl_net, list_field);
- list_del(list_node);
+ list_del_init(list_node);
delete_device(dev);
}
rtnl_unlock();
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 96957a7c732f..b740a74f06f2 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -1025,8 +1025,10 @@ bool __skb_flow_dissect(const struct net *net,
FLOW_DISSECTOR_KEY_IPV4_ADDRS,
target_container);

- memcpy(&key_addrs->v4addrs, &iph->saddr,
- sizeof(key_addrs->v4addrs));
+ memcpy(&key_addrs->v4addrs.src, &iph->saddr,
+ sizeof(key_addrs->v4addrs.src));
+ memcpy(&key_addrs->v4addrs.dst, &iph->daddr,
+ sizeof(key_addrs->v4addrs.dst));
key_control->addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS;
}

@@ -1070,8 +1072,10 @@ bool __skb_flow_dissect(const struct net *net,
FLOW_DISSECTOR_KEY_IPV6_ADDRS,
target_container);

- memcpy(&key_addrs->v6addrs, &iph->saddr,
- sizeof(key_addrs->v6addrs));
+ memcpy(&key_addrs->v6addrs.src, &iph->saddr,
+ sizeof(key_addrs->v6addrs.src));
+ memcpy(&key_addrs->v6addrs.dst, &iph->daddr,
+ sizeof(key_addrs->v6addrs.dst));
key_control->addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS;
}

diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index 25187528c308..1f352d669c94 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -94,6 +94,8 @@ struct sock *dccp_create_openreq_child(const struct sock *sk,
newdp->dccps_role = DCCP_ROLE_SERVER;
newdp->dccps_hc_rx_ackvec = NULL;
newdp->dccps_service_list = NULL;
+ newdp->dccps_hc_rx_ccid = NULL;
+ newdp->dccps_hc_tx_ccid = NULL;
newdp->dccps_service = dreq->dreq_service;
newdp->dccps_timestamp_echo = dreq->dreq_timestamp_echo;
newdp->dccps_timestamp_time = dreq->dreq_timestamp_time;
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 75b4cd4bcafb..59759ceb426a 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1327,13 +1327,11 @@ static int dsa_slave_phy_setup(struct net_device *slave_dev)
* use the switch internal MDIO bus instead
*/
ret = dsa_slave_phy_connect(slave_dev, dp->index);
- if (ret) {
- netdev_err(slave_dev,
- "failed to connect to port %d: %d\n",
- dp->index, ret);
- phylink_destroy(dp->pl);
- return ret;
- }
+ }
+ if (ret) {
+ netdev_err(slave_dev, "failed to connect to PHY: %pe\n",
+ ERR_PTR(ret));
+ phylink_destroy(dp->pl);
}

return ret;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index fd8298b8b1c5..c4989e5903e4 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -446,8 +446,6 @@ static void __gre_xmit(struct sk_buff *skb, struct net_device *dev,

static int gre_handle_offloads(struct sk_buff *skb, bool csum)
{
- if (csum && skb_checksum_start(skb) < skb->data)
- return -EINVAL;
return iptunnel_handle_offloads(skb, csum ? SKB_GSO_GRE_CSUM : SKB_GSO_GRE);
}

@@ -605,15 +603,20 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb,
}

if (dev->header_ops) {
+ const int pull_len = tunnel->hlen + sizeof(struct iphdr);
+
if (skb_cow_head(skb, 0))
goto free_skb;

tnl_params = (const struct iphdr *)skb->data;

+ if (pull_len > skb_transport_offset(skb))
+ goto free_skb;
+
/* Pull skb since ip_tunnel_xmit() needs skb->data pointing
* to gre header.
*/
- skb_pull(skb, tunnel->hlen + sizeof(struct iphdr));
+ skb_pull(skb, pull_len);
skb_reset_mac_header(skb);
} else {
if (skb_cow_head(skb, dev->needed_headroom))
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index f52bc9c22e5b..0ec529d77a56 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -446,8 +446,9 @@ static void ip_copy_addrs(struct iphdr *iph, const struct flowi4 *fl4)
{
BUILD_BUG_ON(offsetof(typeof(*fl4), daddr) !=
offsetof(typeof(*fl4), saddr) + sizeof(fl4->saddr));
- memcpy(&iph->saddr, &fl4->saddr,
- sizeof(fl4->saddr) + sizeof(fl4->daddr));
+
+ iph->saddr = fl4->saddr;
+ iph->daddr = fl4->daddr;
}

/* Note: skb->sk can be different from sk, in case of tunnels */
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index f5f4369c131c..858bb10d8341 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -1183,6 +1183,7 @@ static int nh_create_ipv4(struct net *net, struct nexthop *nh,
.fc_gw4 = cfg->gw.ipv4,
.fc_gw_family = cfg->gw.ipv4 ? AF_INET : 0,
.fc_flags = cfg->nh_flags,
+ .fc_nlinfo = cfg->nlinfo,
.fc_encap = cfg->nh_encap,
.fc_encap_type = cfg->nh_encap_type,
};
@@ -1218,6 +1219,7 @@ static int nh_create_ipv6(struct net *net, struct nexthop *nh,
.fc_ifindex = cfg->nh_ifindex,
.fc_gateway = cfg->gw.ipv6,
.fc_flags = cfg->nh_flags,
+ .fc_nlinfo = cfg->nlinfo,
.fc_encap = cfg->nh_encap,
.fc_encap_type = cfg->nh_encap_type,
};
diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c
index 8af4fefe371f..a5ec77a5ad6f 100644
--- a/net/ipv4/tcp_fastopen.c
+++ b/net/ipv4/tcp_fastopen.c
@@ -379,8 +379,7 @@ struct sock *tcp_try_fastopen(struct sock *sk, struct sk_buff *skb,
return NULL;
}

- if (syn_data &&
- tcp_fastopen_no_cookie(sk, dst, TFO_SERVER_COOKIE_NOT_REQD))
+ if (tcp_fastopen_no_cookie(sk, dst, TFO_SERVER_COOKIE_NOT_REQD))
goto fastopen;

if (foc->len == 0) {
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index a1768ded2d54..c0fcfa296468 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1209,7 +1209,7 @@ static u8 tcp_sacktag_one(struct sock *sk,
if (dup_sack && (sacked & TCPCB_RETRANS)) {
if (tp->undo_marker && tp->undo_retrans > 0 &&
after(end_seq, tp->undo_marker))
- tp->undo_retrans--;
+ tp->undo_retrans = max_t(int, 0, tp->undo_retrans - pcount);
if ((sacked & TCPCB_SACKED_ACKED) &&
before(start_seq, state->reord))
state->reord = start_seq;
diff --git a/net/ipv6/netfilter/nf_socket_ipv6.c b/net/ipv6/netfilter/nf_socket_ipv6.c
index b9df879c48d3..69c021704abd 100644
--- a/net/ipv6/netfilter/nf_socket_ipv6.c
+++ b/net/ipv6/netfilter/nf_socket_ipv6.c
@@ -99,7 +99,7 @@ struct sock *nf_sk_lookup_slow_v6(struct net *net, const struct sk_buff *skb,
{
__be16 uninitialized_var(dport), uninitialized_var(sport);
const struct in6_addr *daddr = NULL, *saddr = NULL;
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ struct ipv6hdr *iph = ipv6_hdr(skb), ipv6_var;
struct sk_buff *data_skb = NULL;
int doff = 0;
int thoff = 0, tproto;
@@ -129,8 +129,6 @@ struct sock *nf_sk_lookup_slow_v6(struct net *net, const struct sk_buff *skb,
thoff + sizeof(*hp);

} else if (tproto == IPPROTO_ICMPV6) {
- struct ipv6hdr ipv6_var;
-
if (extract_icmp6_fields(skb, thoff, &tproto, &saddr, &daddr,
&sport, &dport, &ipv6_var))
return NULL;
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 95805a6331be..421b2c89ce12 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -886,8 +886,10 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb)
}

if (tunnel->version == L2TP_HDR_VER_3 &&
- l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr))
+ l2tp_v3_ensure_opt_in_linear(session, skb, &ptr, &optr)) {
+ l2tp_session_dec_refcount(session);
goto error;
+ }

l2tp_recv_common(session, skb, ptr, optr, hdrflags, length);
l2tp_session_dec_refcount(session);
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 6f576306a4d7..ddc001ad9055 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1875,9 +1875,16 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,

netdev_set_default_ethtool_ops(ndev, &ieee80211_ethtool_ops);

- /* MTU range: 256 - 2304 */
+ /* MTU range is normally 256 - 2304, where the upper limit is
+ * the maximum MSDU size. Monitor interfaces send and receive
+ * MPDU and A-MSDU frames which may be much larger so we do
+ * not impose an upper limit in that case.
+ */
ndev->min_mtu = 256;
- ndev->max_mtu = local->hw.max_mtu;
+ if (type == NL80211_IFTYPE_MONITOR)
+ ndev->max_mtu = 0;
+ else
+ ndev->max_mtu = local->hw.max_mtu;

ret = register_netdevice(ndev);
if (ret) {
diff --git a/net/netlabel/netlabel_cipso_v4.c b/net/netlabel/netlabel_cipso_v4.c
index 8cd3daf0e3db..1778e4e8ce24 100644
--- a/net/netlabel/netlabel_cipso_v4.c
+++ b/net/netlabel/netlabel_cipso_v4.c
@@ -144,8 +144,8 @@ static int netlbl_cipsov4_add_std(struct genl_info *info,
return -ENOMEM;
doi_def->map.std = kzalloc(sizeof(*doi_def->map.std), GFP_KERNEL);
if (doi_def->map.std == NULL) {
- ret_val = -ENOMEM;
- goto add_std_failure;
+ kfree(doi_def);
+ return -ENOMEM;
}
doi_def->type = CIPSO_V4_MAP_TRANS;

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 9d993b4cf1af..acc76a738cfd 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2521,13 +2521,15 @@ int nlmsg_notify(struct sock *sk, struct sk_buff *skb, u32 portid,
/* errors reported via destination sk->sk_err, but propagate
* delivery errors if NETLINK_BROADCAST_ERROR flag is set */
err = nlmsg_multicast(sk, skb, exclude_portid, group, flags);
+ if (err == -ESRCH)
+ err = 0;
}

if (report) {
int err2;

err2 = nlmsg_unicast(sk, skb, portid);
- if (!err || err == -ESRCH)
+ if (!err)
err = err2;
}

diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 76d72c3f52ed..86fb2f953bd5 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -370,6 +370,7 @@ static int fq_codel_change(struct Qdisc *sch, struct nlattr *opt,
{
struct fq_codel_sched_data *q = qdisc_priv(sch);
struct nlattr *tb[TCA_FQ_CODEL_MAX + 1];
+ u32 quantum = 0;
int err;

if (!opt)
@@ -387,6 +388,13 @@ static int fq_codel_change(struct Qdisc *sch, struct nlattr *opt,
q->flows_cnt > 65536)
return -EINVAL;
}
+ if (tb[TCA_FQ_CODEL_QUANTUM]) {
+ quantum = max(256U, nla_get_u32(tb[TCA_FQ_CODEL_QUANTUM]));
+ if (quantum > FQ_CODEL_QUANTUM_MAX) {
+ NL_SET_ERR_MSG(extack, "Invalid quantum");
+ return -EINVAL;
+ }
+ }
sch_tree_lock(sch);

if (tb[TCA_FQ_CODEL_TARGET]) {
@@ -413,8 +421,8 @@ static int fq_codel_change(struct Qdisc *sch, struct nlattr *opt,
if (tb[TCA_FQ_CODEL_ECN])
q->cparams.ecn = !!nla_get_u32(tb[TCA_FQ_CODEL_ECN]);

- if (tb[TCA_FQ_CODEL_QUANTUM])
- q->quantum = max(256U, nla_get_u32(tb[TCA_FQ_CODEL_QUANTUM]));
+ if (quantum)
+ q->quantum = quantum;

if (tb[TCA_FQ_CODEL_DROP_BATCH_SIZE])
q->drop_batch_size = max(1U, nla_get_u32(tb[TCA_FQ_CODEL_DROP_BATCH_SIZE]));
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c
index a4de4853c79d..da9ed0613eb7 100644
--- a/net/sched/sch_taprio.c
+++ b/net/sched/sch_taprio.c
@@ -1503,7 +1503,9 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt,
taprio_set_picos_per_byte(dev, q);

if (mqprio) {
- netdev_set_num_tc(dev, mqprio->num_tc);
+ err = netdev_set_num_tc(dev, mqprio->num_tc);
+ if (err)
+ goto free_sched;
for (i = 0; i < mqprio->num_tc; i++)
netdev_set_tc_queue(dev, i,
mqprio->count[i],
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index d5470c7fe879..c0016473a255 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1937,7 +1937,7 @@ gss_svc_init_net(struct net *net)
goto out2;
return 0;
out2:
- destroy_use_gss_proxy_proc_entry(net);
+ rsi_cache_destroy_net(net);
out1:
rsc_cache_destroy_net(net);
return rv;
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 639837b3a5d9..3653898f465f 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -729,9 +729,9 @@ void xprt_force_disconnect(struct rpc_xprt *xprt)
/* Try to schedule an autoclose RPC call */
if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0)
queue_work(xprtiod_workqueue, &xprt->task_cleanup);
- else if (xprt->snd_task)
+ else if (xprt->snd_task && !test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
rpc_wake_up_queued_task_set_status(&xprt->pending,
- xprt->snd_task, -ENOTCONN);
+ xprt->snd_task, -ENOTCONN);
spin_unlock(&xprt->transport_lock);
}
EXPORT_SYMBOL_GPL(xprt_force_disconnect);
@@ -820,6 +820,7 @@ bool xprt_lock_connect(struct rpc_xprt *xprt,
goto out;
if (xprt->snd_task != task)
goto out;
+ set_bit(XPRT_SND_IS_COOKIE, &xprt->state);
xprt->snd_task = cookie;
ret = true;
out:
@@ -835,6 +836,7 @@ void xprt_unlock_connect(struct rpc_xprt *xprt, void *cookie)
if (!test_bit(XPRT_LOCKED, &xprt->state))
goto out;
xprt->snd_task =NULL;
+ clear_bit(XPRT_SND_IS_COOKIE, &xprt->state);
xprt->ops->release_xprt(xprt, NULL);
xprt_schedule_autodisconnect(xprt);
out:
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index a5922ce9109c..fbbac9ba2862 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1756,6 +1756,7 @@ static int tipc_recvmsg(struct socket *sock, struct msghdr *m,
bool connected = !tipc_sk_type_connectionless(sk);
struct tipc_sock *tsk = tipc_sk(sk);
int rc, err, hlen, dlen, copy;
+ struct tipc_skb_cb *skb_cb;
struct sk_buff_head xmitq;
struct tipc_msg *hdr;
struct sk_buff *skb;
@@ -1779,6 +1780,7 @@ static int tipc_recvmsg(struct socket *sock, struct msghdr *m,
if (unlikely(rc))
goto exit;
skb = skb_peek(&sk->sk_receive_queue);
+ skb_cb = TIPC_SKB_CB(skb);
hdr = buf_msg(skb);
dlen = msg_data_sz(hdr);
hlen = msg_hdr_sz(hdr);
@@ -1798,18 +1800,33 @@ static int tipc_recvmsg(struct socket *sock, struct msghdr *m,

/* Capture data if non-error msg, otherwise just set return value */
if (likely(!err)) {
- copy = min_t(int, dlen, buflen);
- if (unlikely(copy != dlen))
- m->msg_flags |= MSG_TRUNC;
- rc = skb_copy_datagram_msg(skb, hlen, m, copy);
+ int offset = skb_cb->bytes_read;
+
+ copy = min_t(int, dlen - offset, buflen);
+ rc = skb_copy_datagram_msg(skb, hlen + offset, m, copy);
+ if (unlikely(rc))
+ goto exit;
+ if (unlikely(offset + copy < dlen)) {
+ if (flags & MSG_EOR) {
+ if (!(flags & MSG_PEEK))
+ skb_cb->bytes_read = offset + copy;
+ } else {
+ m->msg_flags |= MSG_TRUNC;
+ skb_cb->bytes_read = 0;
+ }
+ } else {
+ if (flags & MSG_EOR)
+ m->msg_flags |= MSG_EOR;
+ skb_cb->bytes_read = 0;
+ }
} else {
copy = 0;
rc = 0;
- if (err != TIPC_CONN_SHUTDOWN && connected && !m->msg_control)
+ if (err != TIPC_CONN_SHUTDOWN && connected && !m->msg_control) {
rc = -ECONNRESET;
+ goto exit;
+ }
}
- if (unlikely(rc))
- goto exit;

/* Mark message as group event if applicable */
if (unlikely(grp_evt)) {
@@ -1832,6 +1849,9 @@ static int tipc_recvmsg(struct socket *sock, struct msghdr *m,
tipc_node_distr_xmit(sock_net(sk), &xmitq);
}

+ if (skb_cb->bytes_read)
+ goto exit;
+
tsk_advance_rx_queue(sk);

if (likely(!connected))
@@ -2255,7 +2275,7 @@ static int tipc_sk_backlog_rcv(struct sock *sk, struct sk_buff *skb)
static void tipc_sk_enqueue(struct sk_buff_head *inputq, struct sock *sk,
u32 dport, struct sk_buff_head *xmitq)
{
- unsigned long time_limit = jiffies + 2;
+ unsigned long time_limit = jiffies + usecs_to_jiffies(20000);
struct sk_buff *skb;
unsigned int lim;
atomic_t *dcnt;
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 52ee3a9bb709..3098710c9c34 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2734,7 +2734,7 @@ static __poll_t unix_dgram_poll(struct file *file, struct socket *sock,

other = unix_peer(sk);
if (other && unix_peer(other) != sk &&
- unix_recvq_full(other) &&
+ unix_recvq_full_lockless(other) &&
unix_dgram_peer_wake_me(sk, other))
writable = 0;

diff --git a/samples/bpf/test_override_return.sh b/samples/bpf/test_override_return.sh
index e68b9ee6814b..35db26f736b9 100755
--- a/samples/bpf/test_override_return.sh
+++ b/samples/bpf/test_override_return.sh
@@ -1,5 +1,6 @@
#!/bin/bash

+rm -r tmpmnt
rm -f testfile.img
dd if=/dev/zero of=testfile.img bs=1M seek=1000 count=1
DEVICE=$(losetup --show -f testfile.img)
diff --git a/samples/bpf/tracex7_user.c b/samples/bpf/tracex7_user.c
index ea6dae78f0df..2ed13e9f3fcb 100644
--- a/samples/bpf/tracex7_user.c
+++ b/samples/bpf/tracex7_user.c
@@ -13,6 +13,11 @@ int main(int argc, char **argv)
char command[256];
int ret;

+ if (!argv[1]) {
+ fprintf(stderr, "ERROR: Run with the btrfs device argument!\n");
+ return 0;
+ }
+
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);

if (load_bpf_file(filename)) {
diff --git a/scripts/gen_ksymdeps.sh b/scripts/gen_ksymdeps.sh
index 1324986e1362..725e8c9c1b53 100755
--- a/scripts/gen_ksymdeps.sh
+++ b/scripts/gen_ksymdeps.sh
@@ -4,7 +4,13 @@
set -e

# List of exported symbols
-ksyms=$($NM $1 | sed -n 's/.*__ksym_marker_\(.*\)/\1/p' | tr A-Z a-z)
+#
+# If the object has no symbol, $NM warns 'no symbols'.
+# Suppress the stderr.
+# TODO:
+# Use -q instead of 2>/dev/null when we upgrade the minimum version of
+# binutils to 2.37, llvm to 13.0.0.
+ksyms=$($NM $1 2>/dev/null | sed -n 's/.*__ksym_marker_\(.*\)/\1/p' | tr A-Z a-z)

if [ -z "$ksyms" ]; then
exit 0
diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c
index 38ac3da4e791..beeba1a9be17 100644
--- a/security/smack/smack_access.c
+++ b/security/smack/smack_access.c
@@ -81,23 +81,22 @@ int log_policy = SMACK_AUDIT_DENIED;
int smk_access_entry(char *subject_label, char *object_label,
struct list_head *rule_list)
{
- int may = -ENOENT;
struct smack_rule *srp;

list_for_each_entry_rcu(srp, rule_list, list) {
if (srp->smk_object->smk_known == object_label &&
srp->smk_subject->smk_known == subject_label) {
- may = srp->smk_access;
- break;
+ int may = srp->smk_access;
+ /*
+ * MAY_WRITE implies MAY_LOCK.
+ */
+ if ((may & MAY_WRITE) == MAY_WRITE)
+ may |= MAY_LOCK;
+ return may;
}
}

- /*
- * MAY_WRITE implies MAY_LOCK.
- */
- if ((may & MAY_WRITE) == MAY_WRITE)
- may |= MAY_LOCK;
- return may;
+ return -ENOENT;
}

/**
diff --git a/sound/soc/atmel/Kconfig b/sound/soc/atmel/Kconfig
index 71f2d42188c4..51e75b781968 100644
--- a/sound/soc/atmel/Kconfig
+++ b/sound/soc/atmel/Kconfig
@@ -11,7 +11,6 @@ if SND_ATMEL_SOC

config SND_ATMEL_SOC_PDC
bool
- depends on HAS_DMA

config SND_ATMEL_SOC_DMA
bool
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index c67b86e2d0c0..7830d014d924 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -284,9 +284,6 @@ static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
{"Headphone", NULL, "Platform Clock"},
{"Headset Mic", NULL, "Platform Clock"},
- {"Internal Mic", NULL, "Platform Clock"},
- {"Speaker", NULL, "Platform Clock"},
-
{"Headset Mic", NULL, "MICBIAS1"},
{"IN2P", NULL, "Headset Mic"},
{"Headphone", NULL, "HPOL"},
@@ -294,19 +291,23 @@ static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
};

static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
+ {"Internal Mic", NULL, "Platform Clock"},
{"DMIC1", NULL, "Internal Mic"},
};

static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = {
+ {"Internal Mic", NULL, "Platform Clock"},
{"DMIC2", NULL, "Internal Mic"},
};

static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
+ {"Internal Mic", NULL, "Platform Clock"},
{"Internal Mic", NULL, "MICBIAS1"},
{"IN1P", NULL, "Internal Mic"},
};

static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map[] = {
+ {"Internal Mic", NULL, "Platform Clock"},
{"Internal Mic", NULL, "MICBIAS1"},
{"IN3P", NULL, "Internal Mic"},
};
@@ -348,6 +349,7 @@ static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map[] = {
};

static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = {
+ {"Speaker", NULL, "Platform Clock"},
{"Speaker", NULL, "SPOLP"},
{"Speaker", NULL, "SPOLN"},
{"Speaker", NULL, "SPORP"},
@@ -355,6 +357,7 @@ static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = {
};

static const struct snd_soc_dapm_route byt_rt5640_mono_spk_map[] = {
+ {"Speaker", NULL, "Platform Clock"},
{"Speaker", NULL, "SPOLP"},
{"Speaker", NULL, "SPOLN"},
};
diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c
index 476ef1897961..79c6cf2c14bf 100644
--- a/sound/soc/intel/skylake/skl-messages.c
+++ b/sound/soc/intel/skylake/skl-messages.c
@@ -802,9 +802,12 @@ static u16 skl_get_module_param_size(struct skl_dev *skl,

case SKL_MODULE_TYPE_BASE_OUTFMT:
case SKL_MODULE_TYPE_MIC_SELECT:
- case SKL_MODULE_TYPE_KPB:
return sizeof(struct skl_base_outfmt_cfg);

+ case SKL_MODULE_TYPE_MIXER:
+ case SKL_MODULE_TYPE_KPB:
+ return sizeof(struct skl_base_cfg);
+
default:
/*
* return only base cfg when no specific module type is
@@ -857,10 +860,14 @@ static int skl_set_module_format(struct skl_dev *skl,

case SKL_MODULE_TYPE_BASE_OUTFMT:
case SKL_MODULE_TYPE_MIC_SELECT:
- case SKL_MODULE_TYPE_KPB:
skl_set_base_outfmt_format(skl, module_config, *param_data);
break;

+ case SKL_MODULE_TYPE_MIXER:
+ case SKL_MODULE_TYPE_KPB:
+ skl_set_base_module_format(skl, module_config, *param_data);
+ break;
+
default:
skl_set_base_module_format(skl, module_config, *param_data);
break;
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
index 7f287424af9b..439dd4ba690c 100644
--- a/sound/soc/intel/skylake/skl-pcm.c
+++ b/sound/soc/intel/skylake/skl-pcm.c
@@ -1333,21 +1333,6 @@ static int skl_get_module_info(struct skl_dev *skl,
return -EIO;
}

- list_for_each_entry(module, &skl->uuid_list, list) {
- if (guid_equal(uuid_mod, &module->uuid)) {
- mconfig->id.module_id = module->id;
- if (mconfig->module)
- mconfig->module->loadable = module->is_loadable;
- ret = 0;
- break;
- }
- }
-
- if (ret)
- return ret;
-
- uuid_mod = &module->uuid;
- ret = -EIO;
for (i = 0; i < skl->nr_modules; i++) {
skl_module = skl->modules[i];
uuid_tplg = &skl_module->uuid;
@@ -1357,10 +1342,18 @@ static int skl_get_module_info(struct skl_dev *skl,
break;
}
}
+
if (skl->nr_modules && ret)
return ret;

+ ret = -EIO;
list_for_each_entry(module, &skl->uuid_list, list) {
+ if (guid_equal(uuid_mod, &module->uuid)) {
+ mconfig->id.module_id = module->id;
+ mconfig->module->loadable = module->is_loadable;
+ ret = 0;
+ }
+
for (i = 0; i < MAX_IN_QUEUE; i++) {
pin_id = &mconfig->m_in_pin[i].id;
if (guid_equal(&pin_id->mod_uuid, &module->uuid))
@@ -1374,7 +1367,7 @@ static int skl_get_module_info(struct skl_dev *skl,
}
}

- return 0;
+ return ret;
}

static int skl_populate_modules(struct skl_dev *skl)
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index 61c984f10d8e..086c90e09577 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -186,7 +186,9 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
{
struct rk_i2s_dev *i2s = to_info(cpu_dai);
unsigned int mask = 0, val = 0;
+ int ret = 0;

+ pm_runtime_get_sync(cpu_dai->dev);
mask = I2S_CKR_MSS_MASK;
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
@@ -199,7 +201,8 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
i2s->is_master_mode = false;
break;
default:
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_pm_put;
}

regmap_update_bits(i2s->regmap, I2S_CKR, mask, val);
@@ -213,7 +216,8 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
val = I2S_CKR_CKP_POS;
break;
default:
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_pm_put;
}

regmap_update_bits(i2s->regmap, I2S_CKR, mask, val);
@@ -229,14 +233,15 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
case SND_SOC_DAIFMT_I2S:
val = I2S_TXCR_IBM_NORMAL;
break;
- case SND_SOC_DAIFMT_DSP_A: /* PCM no delay mode */
- val = I2S_TXCR_TFS_PCM;
- break;
- case SND_SOC_DAIFMT_DSP_B: /* PCM delay 1 mode */
+ case SND_SOC_DAIFMT_DSP_A: /* PCM delay 1 bit mode */
val = I2S_TXCR_TFS_PCM | I2S_TXCR_PBM_MODE(1);
break;
+ case SND_SOC_DAIFMT_DSP_B: /* PCM no delay mode */
+ val = I2S_TXCR_TFS_PCM;
+ break;
default:
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_pm_put;
}

regmap_update_bits(i2s->regmap, I2S_TXCR, mask, val);
@@ -252,19 +257,23 @@ static int rockchip_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
case SND_SOC_DAIFMT_I2S:
val = I2S_RXCR_IBM_NORMAL;
break;
- case SND_SOC_DAIFMT_DSP_A: /* PCM no delay mode */
- val = I2S_RXCR_TFS_PCM;
- break;
- case SND_SOC_DAIFMT_DSP_B: /* PCM delay 1 mode */
+ case SND_SOC_DAIFMT_DSP_A: /* PCM delay 1 bit mode */
val = I2S_RXCR_TFS_PCM | I2S_RXCR_PBM_MODE(1);
break;
+ case SND_SOC_DAIFMT_DSP_B: /* PCM no delay mode */
+ val = I2S_RXCR_TFS_PCM;
+ break;
default:
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_pm_put;
}

regmap_update_bits(i2s->regmap, I2S_RXCR, mask, val);

- return 0;
+err_pm_put:
+ pm_runtime_put(cpu_dai->dev);
+
+ return ret;
}

static int rockchip_i2s_hw_params(struct snd_pcm_substream *substream,
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 9832affd5d54..c75c9b03d6e7 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -118,10 +118,10 @@ FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)

-FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
-FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
-FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
-FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
+FEATURE_CHECK_LDFLAGS-libunwind-arm += -lunwind -lunwind-arm
+FEATURE_CHECK_LDFLAGS-libunwind-aarch64 += -lunwind -lunwind-aarch64
+FEATURE_CHECK_LDFLAGS-libunwind-x86 += -lunwind -llzma -lunwind-x86
+FEATURE_CHECK_LDFLAGS-libunwind-x86_64 += -lunwind -llzma -lunwind-x86_64

FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 767fe1bfd922..8c3addc2e9e1 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -2020,6 +2020,7 @@ static int add_callchain_ip(struct thread *thread,

al.filtered = 0;
al.sym = NULL;
+ al.srcline = NULL;
if (!cpumode) {
thread__find_cpumode_addr_location(thread, ip, &al);
} else {
diff --git a/tools/testing/selftests/bpf/progs/xdp_tx.c b/tools/testing/selftests/bpf/progs/xdp_tx.c
index 57912e7c94b0..9ed477776eca 100644
--- a/tools/testing/selftests/bpf/progs/xdp_tx.c
+++ b/tools/testing/selftests/bpf/progs/xdp_tx.c
@@ -3,7 +3,7 @@
#include <linux/bpf.h>
#include "bpf_helpers.h"

-SEC("tx")
+SEC("xdp")
int xdp_tx(struct xdp_md *xdp)
{
return XDP_TX;
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index 1c4219ceced2..45c7a55f0b8b 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -972,7 +972,7 @@ static void test_sockmap(unsigned int tasks, void *data)

FD_ZERO(&w);
FD_SET(sfd[3], &w);
- to.tv_sec = 1;
+ to.tv_sec = 30;
to.tv_usec = 0;
s = select(sfd[3] + 1, &w, NULL, NULL, &to);
if (s == -1) {
diff --git a/tools/testing/selftests/bpf/test_xdp_veth.sh b/tools/testing/selftests/bpf/test_xdp_veth.sh
index ba8ffcdaac30..995278e684b6 100755
--- a/tools/testing/selftests/bpf/test_xdp_veth.sh
+++ b/tools/testing/selftests/bpf/test_xdp_veth.sh
@@ -108,7 +108,7 @@ ip link set dev veth2 xdp pinned $BPF_DIR/progs/redirect_map_1
ip link set dev veth3 xdp pinned $BPF_DIR/progs/redirect_map_2

ip -n ns1 link set dev veth11 xdp obj xdp_dummy.o sec xdp_dummy
-ip -n ns2 link set dev veth22 xdp obj xdp_tx.o sec tx
+ip -n ns2 link set dev veth22 xdp obj xdp_tx.o sec xdp
ip -n ns3 link set dev veth33 xdp obj xdp_dummy.o sec xdp_dummy

trap cleanup EXIT
diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile
index 59e417ec3e13..25d7f8f37cfd 100644
--- a/tools/thermal/tmon/Makefile
+++ b/tools/thermal/tmon/Makefile
@@ -10,7 +10,7 @@ override CFLAGS+= $(call cc-option,-O3,-O1) ${WARNFLAGS}
# Add "-fstack-protector" only if toolchain supports it.
override CFLAGS+= $(call cc-option,-fstack-protector-strong)
CC?= $(CROSS_COMPILE)gcc
-PKG_CONFIG?= pkg-config
+PKG_CONFIG?= $(CROSS_COMPILE)pkg-config

override CFLAGS+=-D VERSION=\"$(VERSION)\"
LDFLAGS+=
diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
index 4af85605730e..f7150fbeeb55 100644
--- a/virt/kvm/arm/arm.c
+++ b/virt/kvm/arm/arm.c
@@ -1141,6 +1141,14 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
if (copy_from_user(&reg, argp, sizeof(reg)))
break;

+ /*
+ * We could owe a reset due to PSCI. Handle the pending reset
+ * here to ensure userspace register accesses are ordered after
+ * the reset.
+ */
+ if (kvm_check_request(KVM_REQ_VCPU_RESET, vcpu))
+ kvm_reset_vcpu(vcpu);
+
if (ioctl == KVM_SET_ONE_REG)
r = kvm_arm_set_reg(vcpu, &reg);
else